Requirement $1.$ Calculate$($a$)$ net present$$ value, $($b$)$ payback$$ period, $($c$)$ discounted payback$$ period, and$($d$)$ internal rate of return. a$.$ Net present value. $($Round intermediary calculations to the nearest whole dollar. Use factors to three decimal$$ places, X$.$XXX$,$ and use a minus sign or parentheses for a negative net present value. Enter the net present value of the investment rounded to the nearest whole$$ dollar.$)$ The net present value is $$(5,200).$ Part $2$ b$.$ Payback period. $($Round your answer to two decimal$$ places.$)$ The payback period in years is $3\mathrm{.}91.$ Part $3$ c$.$ Discounted payback period. $($Round interim calculations to the nearest whole dollar. Round the rate to two decimal$$ places, X$.$XX$\%.)$ The discount payback period in years is $5\mathrm{.}22.$ Part $4$ d$.$ Internal rate of return. $($Round the rate to two decimal$$ places, X$.$XX$\%.)$ The internal rate of return $($IRR$)$ is $\%.$

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