Total customer-response time (CRT) can be defined as which of the following? (Hint: Refer to text Exhibit 14.14 and the accompanying discussion.)   a. The difference between when a customer’s order is...

Total customer-response time (CRT) can be defined as which of the following? (Hint: Refer to text Exhibit 14.14 and the accompanying discussion.)

a. The difference between when a customer’s order is set up and when the order is finished b. The elapsed time between when a customer places an order for a product and when that order is delivered to the customer c. Manufacturing lead (cycle) time for the order d. The time between when an order is received by manufacturing and when that order is completed