You are thinking on buying a new piece of equipment with the following characteristics:

• Cost: $$215225K
• Tires worth: $$2332K
• With a Salvage value of: $$4222K
• The useful life of the equipment is: 37 years
• The hours of use per year are: 17971789 hours
• Estimated rate of return: 90%

a.-Present worth of the salvage value: $$ K

b.-Present worth of depreciation portion: $$ K

c.- Total ownership cost PER YEAR: $