add_action( 'woocommerce_before_add_to_cart_button', 'woo_sell_service_question_delivery');
function woo_sell_service_question_delivery(){
	if ( is_product() ) {
		$estimate_time = get_post_meta( get_the_ID(), 'wbcom_wss_estimate_time', true);
		$product_requirement = get_field( "woo_sell_services_requirement_data", get_the_ID() );
		echo "Estimate Delivery Time: " . $estimate_time .  ( ( $estimate_time > 1) ? ' Days' : ' Day' ) ;
		if (!empty($product_requirement)) {
			echo "<ul>";
			foreach( $product_requirement as $requirement ) {
				echo "<li>";
				//print_r($requirement);
				echo $requirement['woo_sell_question'];
				echo "</li>";
			}
			echo "</ul>";			
		}
	}
}