Your company just sold a new computer system to a customer with the following payment plan: $20,000 paid today, $40,000 paid next year, and 50,000 the following year. If your company places the payments in an account earning 8% per year, how much money will be in the account after collecting the last payment?

a. $120,520 b. $110,000 c. $92,504 d. $116,528