Assume that a company purchased a new machine for $20,000 that has a salvage value of $3,000 at the end of its useful life of five years. The machine is expected to save the company $6,000 a year in cash operating costs for five years. The company's discount rate is 15%. What is the net present value of this investment opportunity? Multiple Choice O $1,143 O $1,603 O $1,903 O $2,203