Product		Price	Tax	Quantity	Item Total
	Javascript Book - PDF	$10.00 USD	$2.00 USD	3	$36.00 USD
	PHP Book - PDF	$15.00 USD	$3.00 USD	2	$36.00 USD
Tax Total					$12.00 USD
Items Total					$60.00 USD
Cart Total					$72.00 USD

Array
(
    [products] => Array
        (
            [0] => Array
                (
                    [product_title] => Javascript Book - PDF
                    [product_price] => 10
                    [product_tax] => 2
                    [product_quantity] => 3
                )

            [1] => Array
                (
                    [product_title] => PHP Book - PDF
                    [product_price] => 15
                    [product_tax] => 3
                    [product_quantity] => 2
                )

        )

    [items_total] => 60
    [tax_total] => 12
    [cart_total] => 72
)