please answer these all

Question 15 This dimension relates to the firm's ability to supply the product or service on or before a promised delivery due date. For Federal Express, is the cornerstone of its strategy. Quality Delivery speed Delivery reliablity Order winnerQuestion 18 Which of the following is a multifactor measure of productivity output/ Labor Output/(Labor + Capital + Energy) Output/All resources used O Output/InputsQuestion 19 Walmart reduced her inventory levels through economies of scale O mass production information sharing cross dockingQuestion 20 Which of the following is not a characteristic that distinguishes services from goods? A service is intangible A service requires more labor Services are hetregenious Services are not just in timeQuestion 24 A supply chain invloves Flow of material O flow of information flow of capital Above allQuestion 25 Inbound logistics invlove Movement of goods from supplier to the factory O Movement of goods from factory to retailer O Movement of goods from end customer to factory Complete cycle of material flowQuestion 21 Subway offers customization because of-.... in her operations Variety O Reliability Mass production Flexibility