On January 1, 2021, X Company bought a machine for $42,000. It's now January 1, 2022, and management is disappointed that 2021 operating costs with the machine were $34,000. Since they are expecting future operating costs to continue to be $34,000 a year, they are considering replacing the machine with a new one. Although the new machine will cost $49,000, operating costs with the new machine will only be $23,000 each year. Both machines will last for 5 more years. The current machine can be sold immediately for $10,000 but will have no salvage value at the end of 5 years. The new machine will have a salvage value of $4,500 at the end of 5 years. Assuming a discount rate of 4%, what is the net present value of replacing the current machine with the new one? A: $10,937 B: $13,671 C: $17,089 D: $21,361 E: $26,701 OF: $33,376