Calculate the present value of each cash flow using a discount rate of 7%. Which do you most prefer most? Show and explain all supporting calculations!
1. Receive $40 today and then receive $40 in four years.
2. Receive $4every year, forever, starting today.
3. Pay $10 every year for five years, with the first payment being next year, and then subsequently receive $3 every year for 20 years.
4. Receive $9 every other year, forever, with the first payment being next year.