The $U.S.$ Border Patrol $is$ considering two remotely operated, solar$-$powered surveillance

systems for a popular border crossing point. One system must $be$ chosen, and the study period

$is$ indefinitely long. The MARR $is15\%$ per year. Based $on$ the following cash flows, which

system should $be$ selected? $CR=P(A|P,1)-F(AF,$tilde$(1),n)$

$AD$ Capital fecovery con $+$ Anowd Experse,

The estimated negative cash flows for three design alternatives are shown below. The MARR

$is12\%$ per year and the study period $is$ seven years. Which alternative $is$ best based $on$ the

IRR method? Doing nothing $is$ not $an$ option.

$-860+2000(\frac{P}{A},i^{16},7).$

$=+756$