Specialty Cakes Imagine You're Planning an After-Symphony Fund-Raising Party, and You Need

Specialty Cakes
Imagine you're planning an after-symphony fund-raising party, and you need a life-size grand piano cake. Or, you are a developer proposing a new shopping center to a group of investors, and you want to serve a cake shaped like an architectural rendition of the center. Is this impossible? No, you just need to contact Cecilia Villaveces Cakes. She actually built a life-size grand piano for a gala in Macon, Georgia. You can expect to pay anywhere from $75 to $10,000 for one of Cecilia's artistic creations, depending on complexity of design and size. She uses only the best ingredients, and no two cakes are ever quite alike.
-Refer to Specialty Cakes.Which of the following is the BEST example of a variable cost for Cecilia Villaveces Cakes?

A) life insurance on Cecilia
B) flour and sugar
C) ovens used for cooking cakes
D) business license
E) interest payment to the bank