src/fed2019/Form8960.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, TaxReturn } from '../core';
   7 import { ComputedLine, ReferenceLine } from '../core/Line';
   8 import { clampToZero } from '../core/Math';
   9
  10 import Form1040, { FilingStatus } from './Form1040';
  11 import Schedule1 from './Schedule1';
  12
  13 export default class Form8960 extends Form<Form8960['_lines']> {
  14   readonly name = '8960';
  15
  16   protected readonly _lines = {
  17     // Part 1
  18     // Section 6013 elections not supported.
  19     '1': new ReferenceLine(Form1040, '2b', 'Taxable interest'),
  20     '2': new ReferenceLine(Form1040, '3b', 'Ordinary dividends'),
  21     // 3 not supported - Annuities
  22     // 4a not supported - Rental real estate, royalties, partnerships, S corporations, trusts, etc
  23     // 4b not supported - Adjustment for net income or loss derived in the ordinary course of a nonsection 1411 trade or business
  24     // 4c not supported - 4a+4b
  25     '5a': new ComputedLine((tr): number => {
  26       return (new ReferenceLine(Form1040, '6')).value(tr) +
  27              (new ReferenceLine(Schedule1, '4', undefined, 0)).value(tr);
  28     }, 'Net gain or loss'),
  29     // 5b not supported - Net gain or loss from disposition of property that is not subject to net investment income tax
  30     // 5c not supported - Adjustment from disposition of partnership interest or S corporation stock
  31     '5d': new ComputedLine((tr): number => {
  32       // Should include 5b-5c.
  33       return this.getValue(tr, '5a');
  34     }),
  35     // 6 not supported - Adjustments to investment income for certain CFCs and PFICs
  36     // 7 not supported - Other modifications to investment income
  37     '8': new ComputedLine((tr): number => {
  38       return this.getValue(tr, '1') +
  39              this.getValue(tr, '2') +
  40              /*this.getValue(tr, '3') +
  41              this.getValue(tr, '4c') +*/
  42              this.getValue(tr, '5d') /*+
  43              this.getValue(tr, '6') +
  44              this.getValue(tr, '7')*/;
  45     }),
  46
  47     // Part 2
  48     // 9a not supported - Investment interest expenses
  49     // 9b not supported - State, local, and foreign income tax
  50     // 9c not supported - Miscellaneous investment expenses
  51     // 9d not supported - 9a+9b+9c
  52     // 10 not supported - Additional modifications
  53     '11': new ComputedLine(() => 0, 'Total deductions and modifications'),  // Not supported - 9d+10.
  54
  55     // Part 3
  56     '12': new ComputedLine((tr): number => this.getValue(tr, '8') - this.getValue(tr, '11'), 'Net investment income'),
  57     '13': new ReferenceLine(Form1040, '8b', 'Modified adjusted gross income'),
  58     '14': new ComputedLine((tr): number => {
  59       return Form8960.filingStatusLimit(tr.getForm(Form1040).filingStatus);
  60     }, 'Threshold'),
  61     '15': new ComputedLine((tr): number => clampToZero(this.getValue(tr, '13') - this.getValue(tr, '14'))),
  62     '16': new ComputedLine((tr): number => Math.min(this.getValue(tr, '12'), this.getValue(tr, '15'))),
  63     '17': new ComputedLine((tr): number => this.getValue(tr, '16') * 0.038, 'Net investment income tax'),
  64
  65     // 18 - 21 not supported (Estates and Trusts)
  66   };
  67
  68   static filingStatusLimit(filingStatus: FilingStatus): number {
  69     switch (filingStatus) {
  70       case FilingStatus.MarriedFilingJoint:    return 250000;
  71       case FilingStatus.MarriedFilingSeparate: return 125000;
  72       case FilingStatus.Single:                return 200000;
  73     }
  74   }
  75 };