woothemes / woocommerce

				$tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price );

				// Add rate

				if ( ! isset( $taxes[ $key ] ) )

					$taxes[ $key ] = $tax_amount;

				else

					$taxes[ $key ] += $tax_amount;

			}

			$pre_compound_total = array_sum( $taxes );

				$tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price, $the_price_inc_tax, $pre_compound_total );

				// Add rate

				if ( ! isset( $taxes[ $key ] ) )

					$taxes[ $key ] = $tax_amount;

				else

					$taxes[ $key ] += $tax_amount;

			}

		}