public static function calc_exclusive_tax( $price, $rates ) {
		$taxes = array();

		if ( ! empty( $rates ) ) {
			foreach ( $rates as $key => $rate ) {
				if ( 'yes' === $rate['compound'] ) {
					continue;
				}

				$tax_amount = $price * ( $rate['rate'] / 100 );
				$tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price ); // ADVANCED: Allow third parties to modify this rate.

				if ( ! isset( $taxes[ $key ] ) ) {
					$taxes[ $key ] = $tax_amount;
				} else {
					$taxes[ $key ] += $tax_amount;
				}
			}

			$pre_compound_total = array_sum( $taxes );

			// Compound taxes.
			foreach ( $rates as $key => $rate ) {
				if ( 'no' === $rate['compound'] ) {
					continue;
				}
				$the_price_inc_tax = $price + ( $pre_compound_total );
				$tax_amount        = $the_price_inc_tax * ( $rate['rate'] / 100 );
				$tax_amount        = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price, $the_price_inc_tax, $pre_compound_total ); // ADVANCED: Allow third parties to modify this rate.

				if ( ! isset( $taxes[ $key ] ) ) {
					$taxes[ $key ] = $tax_amount;
				} else {
					$taxes[ $key ] += $tax_amount;
				}

				$pre_compound_total = array_sum( $taxes );
			}
		}

		/**
		 * Round all taxes to precision (4DP) before passing them back. Note, this is not the same rounding
		 * as in the cart calculation class which, depending on settings, will round to 2DP when calculating
		 * final totals. Also unlike that class, this rounds .5 up for all cases.
		 */
		$taxes = array_map( array( __CLASS__, 'round' ), $taxes );

		return $taxes;
	}