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load_tax_table: Optional deductible
[inverse-tax] / index.html
1 <!DOCTYPE html>
2 <html>
3 <head>
4 <script src="tax.js"></script>
5 <script src="tax_ui.js"></script>
6 <!-- Tests are in tax.test.js -->
7 <style>
8 td { padding: .5em; vertical-align: top}
9 textarea { height: 12em; }
10 input { width: 7em }
11 .output { padding: 1em; background-color: #eee; border: thin solid #888; width: max-content; }
12 .privacy_policy { margin-top: 5em; }
13 </style>
14 </head>
15 <body onload="calculate()">
16 <h1>Inverse income tax tool</h1>
17 <p>What before-tax salary is needed to provide a specified after-tax salary?</p>
18
19 <form>
20 <table>
21 <tr>
22 <td>
23 Federal deductible<br/><input id="deductible_1" value="27700" onchange="calculate()" oninput="calculate()"/>
24 </td>
25 <td>
26 State deductible<br/><input id="deductible_2" value="10404" onchange="calculate()" oninput="calculate()"/>
27 </td>
28 </tr>
29 <tr>
30 <td>
31 Federal tax table<br/>
32 <textarea id="tax_table_1" onchange="calculate()" oninput="calculate()"> 0 10
33 22000 12
34 89450 22
35 190750 24
36 364200 32
37 462500 32
38 683750 35</textarea>
39 </td>
40 <td>
41 State tax table<br/>
42 <textarea id="tax_table_2" onchange="calculate()" oninput="calculate()"> 0 1
43 20198 2
44 47884 4
45 76576 6
46 104910 8
47 132590 9.3
48 677278 10.3
49 812728 11.3
50 1354550 12.3</textarea>
51 <br/>(Initial table is California's)
52 </td>
53 </tr>
54 <tr>
55 <td colspan="2">
56 Desired after-tax salary</br>
57 <input id="after_tax" value="100000" onchange="calculate()" oninput="calculate()">
58 </td></tr>
59 </table>
60 </form>
61
62 <p class="output">
63 <strong><span id="before_tax"></span> before tax</strong>
64 - <span id="tax_1"></span> federal tax
65 - <span id="tax_2"></span> state tax
66 = <span id="after_tax_verification"></span> after tax.
67 </p>
68
69 <p class="privacy_policy">Privacy policy: All calculations are client-side; no figures are sent to any server.</p>
70 </body>
71 </html>