Toms Bookstore is considering adding a coffee shop inside the store. Which of the following should be considered incremental cash flows of the coffee shop project?

I. increased book sales due to new customers attracted by the coffee shop

II. research fees spent on analyzing campus demand for the coffee products

III. utilizing an empty corner space owned by the bookstore to host the coffee shop

IV. hiring additional employees to handle the work in the coffee shop

A. I and IV only

B. III and IV only

C. I, II and III only

D. I, III and IV only

E. I, II, III and IV