Showing Full Payment information in the Pricing Box

functions.php

<?php

function bkap_appending_additional_information_to_price( $display_price, $data ) {
	if ( isset( $data['total_price_calculated'] ) ) {
		$label         = __( 'Full Payment: ', 'woocommerce-booking' );
		$full_price    = $label . wc_price( $data['total_price_calculated'] ) . '</br>';
		$display_price = $full_price . $display_price;

	}

	return $display_price;
}
add_filter( 'bkap_appending_additional_information_to_price', 'bkap_appending_additional_information_to_price', 10, 2 );