Frank Zinc is considering three separate and distinct investment opportunities that his broker has offered to him, listed below as A. B. and C. The different cash flows for each are as follows: Because Frank only has enough savings for one investment, his broker has proposed the third alternative to b according to his expertise, "the best in town." However. Frank questions his broker and wants to calculate the present value of each investment. Assuming a 15% discount rate, calculate the present value of the revenues from each alternative, and identify what is Frank's best alternative (and why)