$shipping = number_format($totalCost, 2, ".", ",");
			
			if($shipping < 100.00){
				//if great then 100 add the following
				$shipping = $shipping + 5.95;
			}elseif ($shipping > 100 && $shipping < 200){
				//if between 100 - 200 add the following value
				$shipping = $shipping + 10.00;
			}elseif ($shipping > 300.00){
				//right here is where I'm stuck, I want to add 1 dollar to every additional 100 after 200, so 300 would be 11.00, then 400 would be 12.00, and so on
				 $shipping += 10 + floor(($shipping - 200) / 100);
			}