Question $21$

$2\mathrm{.}5$ pts

The payback period is best defined as:

$,$ the time period required for the presert valtur of all cash flows to equal the initial investment

$$ the time period required for total revenat rucrived to equal the initial investment

$$ the time it takes to receive cash flows aifficient to cover your initial investment

the time period required for the NPV to equal zero

Question $22$

$2\mathrm{.}5$ pts