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Categories / Php / Functions

 

A function that calculates sales tax

<? $price = 4.9; $tax = .04; function calculate_cost($tax, $price) {      $sales_tax = $tax;      return $price + ($price * $sales_tax); } $total_cost = calculate_cost ($tax, $price); $total_cost = round($total_cost, 2); print "Total cost: ".$total_cost; ?>