Including product tax to commission calculation

add_filter( 'wcvendors_commission_rate', 'wcv_calculate_commission_include_product_tax', 10, 5 );

function wcv_calculate_commission_include_product_tax( $commission, $product_id, $product_price, $order, $qty ) {

	$product                   = new WC_Product( $product_id );

	$product_price_include_tax = wc_get_price_including_tax( $product );

	$commission_rate           = WCV_Commission::get_commission_rate( $product_id );

	$commission                = $product_price_include_tax * ( $commission_rate / 100 );

	// if there is a negative number then make it 0.

	if ( $commission < 0 ) {

		$commission = 0;

	}

	// Round commission so it doesn't break gateways.

	$commission = round( $commission, 2 );

	// Return commission.

	return $commission;

}