Payback, NPV and IRR: Unequal Annual Net Cash Inflows

Assume that Tesia Inc. is evaluating a capital expenditure proposal that has the following predicted cash flows.

REQUIRED

a$.$ Determine the payback period. $($The compary uses a paytack period of three years or less when screening new projects.$)$

Note: Round your answer to two decimal places. Enter $1\mathrm{.}251$ as $1\mathrm{.}25$ ; enter $1\mathrm{.}255$ as $1\mathrm{.}26.$

$$ years

b$.$ Using a discount rate of $1056,$ determine the net present value of the irwestment proposal.

Note: Round your answer to the nearest dollar.

c$.$ Determine the proposal's internal rate of return.

Note: Round your answer to two decimal places. Enter $10\mathrm{.}251\%$ as $10\mathrm{.}25\%,$ enter $10\mathrm{.}255\%$ as $10\mathrm{.}26\%.$

$x\%$