For each of the following annuities, calculate the annual cash flow. Solution Present Values are calculated using the argument PV (Cash Flow, interest rate, no. of years) Given a present value, the cash flow can be worked out with the reverse technique using the Trial and Error method Cash Flow Present Interest Years Value Rate % $ 6530 32100 6 6 $ 4337 29200 4 8 $ 18142 155000 9 17 $ 21399 225300 8 24.