After-tax salary calculation

<?phpheader ("content-type:text/html; Charset=utf-8 ");/* Salary Housing Provident Fund ratio Endowment Insurance ratio health insurance ratio */function after_sleep ($salary, $housefund _ratio=0.1, $person _insurance_    ratio=.08, $medical _insurance_ratio=.04) {$base = 3500;  $housefund = $salary * $housefund _ratio;    #.10. $person _insurance = $salary * $person _insurance_ratio;    $medical _insurance = $salary * $medical _insurance_ratio;      $insurance = ($housefund + $person _insurance + $medical _insurance);    if ($salary-$insurance < $base) {return $salary-$insurance;             } $taxable _income= ($salary-$insurance-$base);        if ($taxable _income <=1500) {$ratio =. 03;    $deduct = 0;        }else if ($taxable _income > && $taxable _income <=4500) {$ratio =. 1;                 $deduct = 105;        }else if ($taxable _income > 4500 && $taxable _income <=9000) {$ratio =. 2;     $deduct = 555; } else if ($taxable _income > 9000 && $taxable _incoMe <= 35000) {$ratio =. 25;    $deduct = 1005;        } else if ($taxable _income > 35000 && $taxable _income <= 55000) {$ratio =. 3;    $deduct = 2755;        } $tax = $taxable _income * $ratio-$deduct;    $money = $salary-$insurance-$tax;  return $money;} echo $i "\ T", After_sleep ($i,. =5000, $i <=50000; $i +=3000), "\ n" before tax;

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