Kennesaw Corp. is considering adding a new line of sandals to their product line$-$up$.$

Which of the following are relevant cash flows for this project?

I. the current revenue generated from the sale of their existing sandals

II$.$ the additional revenue generated from the new line of sandals

III. the rent for the new building to use in the new project

IV$.$ the commission paid to a salesperson for selling the new sandals