Answer:
Renting a crane + Maintenance = $330,000
Rent duration. = 5 years
Percentage. = 8%
330,000/ 100 x 8/ 1 x 5
= $132,000
Sold Crane 21% of initial cost
Initial cost =
330,000 x 100 x 21/1
330 x 21
= $6,930 + $132,000
To purchase the crane he pays
=$138,930