An investment yields expected future cash flows of $21.00, $34.00, $40.00, $33.00, and $17.00 in periods 1 through 5, respectively. Set up the CFs in an Excel spreadsheet as for Question 1. For these expected cash flows, the appropriate discount rate is 8.0%. What is the value of this stream of CFs? a. Estimate the PV as the sum of the PVs of each of the CFs. b. Can we use the annuity formula? c. Use the excel built-in function PV