Total customer$-$response time $($CRT$)$ can be defined as which of the following? $($Hint: Refer to text Exhibit $14\mathrm{.}14$ and the accompanying discussion.$)$

The difference between when a customer$$s order is set up and when the order is finished

The elapsed time between when a customer places an order for a product and when that order is delivered to the customer

Manufacturing lead $($cycle$)$ time for the order

The time between when an order is received by manufacturing and when that order is completed