Use Table $1$ for questions $10$ to $14.$ Assume a cost of capital of $10\%.$

Year $0123$

Cash Flow $-$$$25,000\mathrm{.}00$ $$10,000\mathrm{.}00$ $$12,000\mathrm{.}00$ $$14,000\mathrm{.}00$

$10.$ Calculate the NPV

$11.$ Calculate the IRR

$12.$ Calculate the payback period

$13.$ Calculate the profitability index.

$14.$ Invest or Not?