using excel formula solve

$3.$ Two projects being considered are mutually exclusive and have the following projected cash flows: $($Compute both NPV and IRR$).$ The cost of capital is $10\%.$ Year Cash Flow A Cash Flow B $0-$$$50,000-$$$50,0001$ $$15,625$ $$02$ $$15,625$ $$03$ $$15,625$ $$04$ $$15,625$ $$05$ $$15,625$ $$99,500$ NPV $=$ IRR $=$