Which of the Following Is an Example of a "How

Which of the following is an example of a "how much" decision?

A) Dinah's Diner is only open for breakfast and lunch. Dinah is trying to decide whether to open for dinner as well.
B) Zander has torn up his front yard and is debating whether to plant grass or install a rock garden.
C) You received a nice birthday check from your grandmother and are deciding on whether to spend it on a trip to New York or a trip to San Francisco.
D) Sergio quit his job to go back to school full time.