Which of the following statements is incorrect?

A front office service process requires the presence of but not interaction with the customer.

b$.$ A back office service process does not require customer presence interaction.

c$.$ The three elements of the service$-$product bundle are the tangible service, the intangible or psychological benefits of the terice, and the physical goods.

d$.$ Serice recovery refers to the correction process when something goes wrong during the delivery:

e$.$ Service recovery must be swift and appropriate in the customer's eyes.