<?php
/**
* Description of CovidRelief
*
* @author Adeola.Odusola
*/
class CovidRelief {
private $cutoff=array("single"=>75000,"head_of_household"=>112500,"married"=>150000);
private $payout=array("single"=>1200,"head_of_household"=>1200,"married"=>2400);
private $status;
private $salary;
private $kids;
/**
*
* @param type $status
* @param type $salary
* @param type $kids
* initialize filing status, salary earned, and number of children as kids
*/
public function __construct($status,$salary,$kids) {
$this->status=$status;
$this->salary=$salary;
$this->kids=$kids;
}
/**
*
* @return type
* calculate refund based on filing status, salary, and number of kids
* if salary earned is higher than maximum allowed, $5 is deducted from every $100 earned above the allowed maximum
*/
public function calculateReliefCheck(){
//get allowed maximum salary based on status
$allowed_max_salary=$this->cutoff[$this->status];
$salary_difference=$this->salary-$allowed_max_salary;
// calculate refund
if ($salary_difference <= 0){
// salary is within range for full refund
// get refund
$refund=$this->payout[$this->status]+($this->kids*500);
}
else{
// deduct $5 for every $100 above allowed max salary - simply 100/5 = 20 - 1:20 ratio - simply divide diff by 20
$loss=$salary_difference/20;
// check eligibility
$eligibility=$this->payout[$this->status]-$loss;
// get refund
$refund=$eligibility+($this->kids*500);
// normalize refund
if ($refund <=0){
$refund=0;
}
}
// format refund
$refund= number_format($refund, 2);
return $refund;
}
}
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