Maxwell Machining is considering investing $100,000 in a new piece of machinery that will generate net annual cash flows of $50,000 each year for the next 5 years. The machine has a salvage value of $20,000 at the end of its 5 year useful life. Maxwell's cost of capital and discount rate is 10%. Which of the following tables and criteria should we use to discount the net annual cash flow? PV of annuity table, n=5,i=10% PV of annuity table, n=1,i=10% PV of a single sum table, n=1,i=10% PV of a single sum table, n=5,i=10%