Q1. ( 6 Marks) Determine the average cost per hour of third year of life of a crawler tractor cost $250 000, has an estimated value of $50 000, and a 5-year life. Use the following additional data. Operating condition = average Hours operated = 2000 per year Deprecation method = sum-of-the-year-digit Fuel cost = $1.2/gal Loader horse power = 300 hp Rate for interest, tax, insurance, and storage = 14% Operator's wage = $20/h