Please help with this and please explain where necessary and write as neatly as you can. Thank you in advance for your help!

A crawler tractor is used about 1,500 hours per year. It cost $150,000 new and has a useful life of 15,000 hours. Estimated salvage value after 15,000 hours of use is $25,000. Minimum attractive rate of return is 10%. What is the hourly ownership cost for the tractor? used for general contracting under average operating conditions? hourly fuel cost to be if the tractor is used in unfavorable operating conditions and a. b. What do you estimate the hourly maintenance and repair cost to be if the tractor is diesel fuel costs $1.25 per gallon? d. What do you estimate the hourly cost for filter, oil, and grease to be for the tractor when used in average operating conditions