src/fed2019/ScheduleD.ts

   1 // Copyright 2020 Blue Static <https://www.bluestatic.org>
   2 // This program is free software licensed under the GNU General Public License,
   3 // version 3.0. The full text of the license can be found in LICENSE.txt.
   4 // SPDX-License-Identifier: GPL-3.0-only
   5
   6 import { Form, Person, TaxReturn } from '../core';
   7 import { Line, AccumulatorLine, ComputedLine, ReferenceLine, UnsupportedLine, sumFormLines, sumLineOfForms } from '../core/Line';
   8 import { Literal, clampToZero } from '../core/Math';
   9 import { NotFoundError, UnsupportedFeatureError } from '../core/Errors';
  10
  11 import Form8949, { Form8949Box } from './Form8949';
  12 import Form1099DIV from './Form1099DIV';
  13 import Form1040, { FilingStatus, QDCGTaxWorksheet, computeTax } from './Form1040';
  14
  15 export default class ScheduleD extends Form {
  16   readonly name = 'Schedule D';
  17
  18   readonly lines = {
  19     // 1a not supported (Totals for all short-term transactions reported on Form 1099-B for which basis was reported to the IRS and for which you have no adjustments)
  20     '4': new UnsupportedLine(),  // Short-term gain from Form 6252 and short-term gain or (loss) from Forms 4684, 6781, and 8824
  21     '5': new UnsupportedLine(),  // Net short-term gain or (loss) from partnerships, S corporations, estates, and trusts from Schedule(s) K-1
  22     '6': new UnsupportedLine(),  // Short-term capital loss carryover. Enter the amount, if any, from line 8 of your Capital Loss Carryover Worksheet in the instructions
  23
  24     '7': new ComputedLine((tr): number => {
  25       // 1-3 are computed by Form8949.
  26       let value = sumFormLines(tr, this, ['4', '5', '6']);
  27       const f8949 = tr.getForm(Form8949);
  28       value += f8949.getValue(tr, 'boxA').gainOrLoss;
  29       value += f8949.getValue(tr, 'boxB').gainOrLoss;
  30       value += f8949.getValue(tr, 'boxC').gainOrLoss;
  31       return value;
  32     }, 'Net short-term capital gain or loss'),
  33
  34     // 8a is not supported.
  35
  36     '11': new UnsupportedLine(),  // Gain from Form 4797, Part I; long-term gain from Forms 2439 and 6252; and long-term gain or (loss) from Forms 4684, 6781, and 8824
  37     '12': new UnsupportedLine(),  // Net long-term gain or (loss) from partnerships, S corporations, estates, and trusts from Schedule(s) K-1
  38     '13': new AccumulatorLine(Form1099DIV, '2a', 'Capital gain distributions'),
  39     '14': new UnsupportedLine('Long-term capital loss carryover'),
  40
  41     '15': new ComputedLine((tr): number => {
  42       let value = sumFormLines(tr, this, ['11', '12', '13', '14']);
  43       const f8949 = tr.getForm(Form8949);
  44       value += f8949.getValue(tr, 'boxD').gainOrLoss;
  45       value += f8949.getValue(tr, 'boxE').gainOrLoss;
  46       value += f8949.getValue(tr, 'boxF').gainOrLoss;
  47       return value;
  48     }, 'Net long-term capital gain or loss'),
  49
  50     '16': new ComputedLine((tr): number => {
  51       return this.getValue(tr, '7') + this.getValue(tr, '15');
  52       // If value is a gain, enter on 1040/6 and goto 17.
  53       // If value is a loss, goto 21 and 22.
  54       // If value is zero, enter 0 on 1040/6 and goto 22.
  55     }, 'Total capital gain or loss'),
  56
  57     '17': new ComputedLine((tr): boolean => {
  58       return this.getValue(tr, '15') > 0 && this.getValue(tr, '16') > 0;
  59       // If yes, goto 18.
  60       // If no, goto 22.
  61     }, 'Both ST and LT are gains'),
  62
  63     '18': new UnsupportedLine('28% Rate Gain Worksheet Value (Qualified Small Business Stock or collectibles.)'),
  64
  65     '19': new UnsupportedLine('Unrecaptured Section 1250 Gain Worksheet'),
  66
  67     '20': new ComputedLine((tr): boolean | undefined => {
  68       const l18 = this.getValue(tr, '18');
  69       const l19 = this.getValue(tr, '19');
  70       return (l18 === 0 || l18 === undefined) || (l19 === 0 || l19 === undefined);
  71     }, 'Line 18 and 19 both 0 or blank?'),
  72
  73     '21': new ComputedLine((tr): number | undefined => {
  74       const l16 = this.getValue(tr, '16');
  75       if (l16 >= 0)
  76         return 0;
  77       const filingStatus = tr.getForm(Form1040).filingStatus;
  78       const limit = filingStatus == FilingStatus.MarriedFilingSeparate ? -1500 : -3000;
  79       return Math.max(l16, limit);
  80     }, 'Net capital loss'),
  81
  82     '22': new ComputedLine((tr): boolean => {
  83       return tr.getForm(Form1040).getValue(tr, '3a') > 0;
  84     }, 'Need QD/CG Tax Worksheet'),
  85   };
  86 };
  87
  88 export class ScheduleDTaxWorksheet extends Form {
  89   readonly name = 'Schedule D Tax Worksheet';
  90
  91   readonly lines = {
  92     '1': new ReferenceLine(Form1040, '11b', 'Taxable income'),
  93     '2': new ReferenceLine(Form1040, '3a', 'Qualified dividends'),
  94     '3': new UnsupportedLine('Form 4952@4g'),
  95     '4': new UnsupportedLine('Form 4952@4e'),
  96     '5': new ComputedLine((tr): number => 0),
  97     '6': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '2') - this.getValue(tr, '5'))),
  98     '7': new ComputedLine((tr): number => {
  99       const schedD = tr.getForm(ScheduleD);
 100       return Math.min(schedD.getValue(tr, '15'), schedD.getValue(tr, '16'));
 101     }, 'Capital loss'),
 102     '8': new ComputedLine((tr): number => {
 103       return Math.min(this.getValue(tr, '3'), this.getValue(tr, '4'));
 104     }),
 105     '9': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '7') - this.getValue(tr, '8'))),
 106     '10': new ComputedLine((tr): number => this.getValue(tr, '6') + this.getValue(tr, '9')),
 107     '11': new ComputedLine((tr): number => {
 108       const schedD = tr.getForm(ScheduleD);
 109       return schedD.getValue(tr, '18') + schedD.getValue(tr, '19');
 110     }, '28% gains and unrecaptured gains'),
 111     '12': new ComputedLine((tr): number => Math.min(this.getValue(tr, '9'), this.getValue(tr, '11'))),
 112     '13': new ComputedLine((tr): number => this.getValue(tr, '10') - this.getValue(tr, '12')),
 113     '14': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '1') - this.getValue(tr, '13'))),
 114     '15': new ComputedLine((tr): number => {
 115       const fs = tr.getForm(Form1040).filingStatus;
 116       return tr.constants.capitalGains.rate0MaxIncome[fs];
 117     }),
 118     '16': new ComputedLine((tr): number => Math.min(this.getValue(tr, '1'), this.getValue(tr, '15'))),
 119     '17': new ComputedLine((tr): number => Math.min(this.getValue(tr, '14'), this.getValue(tr, '16'))),
 120     '18': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '1') - this.getValue(tr, '10'))),
 121     '19': new ComputedLine((tr): number => {
 122       const fs = tr.getForm(Form1040).filingStatus;
 123       const threshold = tr.constants.qualifiedBusinessIncomeDeductionThreshold[fs];
 124       return Math.min(this.getValue(tr, '1'), threshold);
 125     }),
 126     '20': new ComputedLine((tr): number => Math.min(this.getValue(tr, '14'), this.getValue(tr, '19'))),
 127     '21': new ComputedLine((tr): number => Math.max(this.getValue(tr, '18'), this.getValue(tr, '20'))),
 128     '22': new ComputedLine((tr): number => this.getValue(tr, '16') - this.getValue(tr, '17'), 'Amount taxed at 0%'),
 129     '23': new ComputedLine((tr): number => Math.min(this.getValue(tr, '1'), this.getValue(tr, '13'))),
 130     '24': new ReferenceLine(ScheduleDTaxWorksheet as any, '22'),
 131     '25': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '23') - this.getValue(tr, '24'))),
 132     '26': new ComputedLine((tr): number => {
 133       const fs = tr.getForm(Form1040).filingStatus;
 134       return tr.constants.capitalGains.rate15MaxIncome[fs];
 135     }),
 136     '27': new ComputedLine((tr): number => Math.min(this.getValue(tr, '1'), this.getValue(tr, '26'))),
 137     '28': new ComputedLine((tr): number => this.getValue(tr, '21') + this.getValue(tr, '22')),
 138     '29': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '27') - this.getValue(tr, '28'))),
 139     '30': new ComputedLine((tr): number => Math.min(this.getValue(tr, '25'), this.getValue(tr, '29')), 'Amount taxed at 15%'),
 140     '31': new ComputedLine((tr): number => this.getValue(tr, '30') * Literal(0.15), '15% Tax'),
 141     '32': new ComputedLine((tr): number => this.getValue(tr, '24') + this.getValue(tr, '30')),
 142     '33': new ComputedLine((tr): number => this.getValue(tr, '23') - this.getValue(tr, '32'), 'Amount taxed at 20%'),
 143     '34': new ComputedLine((tr): number => this.getValue(tr, '33') * Literal(0.20), '20% Tax'),
 144     '35': new ComputedLine((tr): number => {
 145       const schedD = tr.getForm(ScheduleD);
 146       return Math.min(this.getValue(tr, '9'), schedD.getValue(tr, '19'));
 147     }),
 148     '36': new ComputedLine((tr): number => this.getValue(tr, '10') + this.getValue(tr, '21')),
 149     '37': new ReferenceLine(ScheduleDTaxWorksheet as any, '1'),
 150     '38': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '36') - this.getValue(tr, '37'))),
 151     '39': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '35') - this.getValue(tr, '38'))),
 152     '40': new ComputedLine((tr): number => this.getValue(tr, '39') * Literal(0.25), 'Tax on unrecaptured gains'),
 153     '41': new ComputedLine((tr): number => {
 154       const schedD = tr.getForm(ScheduleD);
 155       if (schedD.getValue(tr, '18'))
 156         throw new UnsupportedFeatureError('28% Gain unsupported');
 157       return 0;
 158     }),
 159     '42': new ComputedLine((tr): number => {
 160       if (!tr.getForm(ScheduleD).getValue(tr, '18'))
 161         return 0;
 162       return this.getValue(tr, '1') - this.getValue(tr, '41');
 163     }),
 164     '43': new ComputedLine((tr): number => {
 165       if (!tr.getForm(ScheduleD).getValue(tr, '18'))
 166         return 0;
 167       return this.getValue(tr, '42') * Literal(0.28);
 168     }, '28% gain tax'),
 169     '44': new ComputedLine((tr): number => {
 170       const income = this.getValue(tr, '21');
 171       return computeTax(income, tr);
 172     }, 'Nominal rate tax'),
 173     '45': new ComputedLine((tr): number => {
 174       return sumFormLines(tr, this, ['31', '34', '40', '43', '44']);
 175     }, 'Schedule D tax'),
 176     '46': new ComputedLine((tr): number => {
 177       const income = this.getValue(tr, '1');
 178       return computeTax(income, tr);
 179     }, 'Income tax'),
 180     '47': new ComputedLine((tr): number => Math.min(this.getValue(tr, '45'), this.getValue(tr, '46')), 'Tax on all taxable income'),
 181   };
 182 };