A recent graduate who wants to start an excavation$/$ earth$-$moving business is trying to determine which size of used dump truck to buy. As the bed size increases, new income

$2$

increases; however, the graduate is uncertain whether the incremental expenditure required for the larger trucks is justified. The cash flows associated with each size truck are estimated below. The contractor has established a MARR of $18\%$ per year, and all trucks are expected to have a remaining economic life of $5$ years. I NEED HELP WITH THESE TABLES, PLEASE!