src/fed2019/Form8960.ts

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