Suppose the purchase price of a bulldozer is $100,000. Its residual value in four years is certain to be $20,000. Assume that capital markets are perfect and the risk-free interest rate is 6% APR with monthly compounding. The company is considering purchasing a bulldozer outright by borrowing the purchase price using a four-year annuity loan. The monthly loan payments for a four-year loan to purchase the bulldozer are closest to: Select one: a. $1880 b. $1825 c. $2115 d. $2350