A client--a promotions company--has asked your company to produce a large quantity of caps, all in the same colour. The client also asked that their customers be allowed to choose from four different colours of bill or brim. The client's customers also want to choose one of sixteen team logos to be embroidered on the front of the cap. The method of production you would use is:

Select one:

A. Mass production.

B. Custom order.

C. Make-to-order.

D. Mass customization.