Bake Treats is a confectionery who makes cakes for special occasions and delivers them. They use gourmet ingredients while baking and delivering customized treats. In fact, they only start baking once they receive an official request from a customer. It is evident that Bake Treats has adopted a(n)

A) make-to-order operation
B) make-to-stock operation
C) assemble-to-order operation
D) assemble-to-stock operation