You have been asked to give an economical assessment based on ownership cost and operating cost ($/hr) of a loader with the purchase price of $450000. Using straight line depreciation method, the machine is expected to be used for 6 years and is expected to be sold for $70000 at the end of the 7th year. A set of tires for this loader, which should give 5250 hrs of service, cost $40000. The annual cost of repairs equals 66% of the straight-line machine depreciation. Tire repair is 15% of tire depreciation. The loader is expected to work 1750 hr/yr. The oil consumption of the loader is 0.237gal/hr and fuel consumption of the loader is 7.215gal/hr, oil is $3.00/gal and fuel cost $1.15/gal. The cost of other lubricants and filters is $0.65/hr. The annual interest rate is 6.5%. a) What is the cost per hour of owning the loader? $ /hr (keep 2 decimal places) b) What is the hourly repair cost of the loader? $ /hr (keep 2 decimal places) c) What is the hourly cost of the tires? $ /hr (keep 2 decimal places) d) What is the total hourly cost of operating this loader? /hr (keep 2 decimal places)