A university cafeteria offers 6 flavors of pizza - pork,gobi-manjurian,pepperoni, chicken, Hawaiian and vegetarian. If a customer has an option (but not the obligation) to add extra cheese, mushrooms or both to any kind of pizza, how many different pizza varieties are available ?	Choose the correct option:
A) 4	B) 8	C) 12	D) 36	E) 32

Rationale: 6 flavours * 6 choices = 6 c 1 * 6 c 1 = 6 * 6 = 36 = d
Answer: D