McClintock Corporation is considering investing $$60,000$ in a new piece of machinery that will generate net annual cash flows of $$20,000$ each year for the next $6$ years. The machine has a salvage value of $$4,000$ at the end of its $6$ year useful life. McClintock'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, $n=6,i=10\%$

$PV$ of a single sum table, $n=1,i=10\%$

PV of annuity table, $n=1,i=10\%$

PV of a single sum table, $n=6,i=10\%$