A rich uncle passed away, his will states that you will receive 2 payments of $40,000 each year. The first payment will occur exactly a year from now. Your cousin offers to purchase your 2 payments of $40,000. With a 10% annual interest rate compounded annually, what is the minimum price (rounded to the nearest 10) that you should sell your 2 payments for right now? Show work by hand (show equations used)

a) $63,410

b) $69,420

c) $74,110

d) $78,880

e) $80,000

f) $84,100