After graduating you were assigned to develop a new e-commerce system for a new pet store, Home Dopet.

A) For Home Dopet, list three functional requirements of importance, and explain why they are important to its users. Then list three non-functional requirements (i.e., desirable qualities), and explain why those qualities are desirable for this system.

B) Think of one use case for Home Dopet. For this use case, write the steps of its Basic Flow. Make sure to follow the rules of writing use case flows.

C) Think of one exception flow for this use case, meaning a scenario where something goes wrong and the user goal is not met. Write this exception flow. Make sure to follow the rules of writing use case flows.