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41 lines
930 B
PHP
41 lines
930 B
PHP
<?php
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namespace App\ClassLib;
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class PayrollComputation
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{
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public function __construct()
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{
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}
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public function computeIncomeTax($grossTaxableIncome)
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{
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$tax = 0;
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if($grossTaxableIncome <= 10417)
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{
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$tax = 0;
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}
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else if($grossTaxableIncome <= 16666)
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{
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$tax = ($grossTaxableIncome - 10417) * 0.2;
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}
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else if($grossTaxableIncome <= 33332)
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{
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$tax = (($grossTaxableIncome - 16667) * 0.25) + 1250;
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}
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else if($grossTaxableIncome <= 83332)
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{
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$tax = (($grossTaxableIncome - 33333) * 0.3) + 5416.67;
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}
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else if($grossTaxableIncome <= 333332)
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{
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$tax = (($grossTaxableIncome - 83333) * 0.32) + 20416.67;
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}
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else
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{
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$tax = (($grossTaxableIncome - 333333) * 0.35) + 100416.67;
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}
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return $tax;
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}
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} |