Please give me a complete answer

Three different companies each purchased a machine on January 1, 2014, for $64,000. Each machine was expected to last five years or 200,000 hours. Salvage value was estimated to be $4,000. All three machines were operated for 50,000 hours in 2014, 52,000 hours in 2015, 40,000 hours in 2016, 42,000 hours in 2017, and 32,000 hours in 2018. Each of the three companies earned $52,000 of cash revenue during each of the five years. Company A uses straight-line depreciation, company B uses double-declining-balance depreciation, and company C uses units-of-production depreciation.

Answer each of the following questions. Ignore the effects of income taxes.

a-1.	Calculate the amount of net income for all companies in 2014?

b-1.

Calculate the amount of net income for all companies in 2016?

c-1.

Calculate the amount of book value for all companies in 2016?

d-1.

Calculate the amount of retained earnings for all companies in 2017? (Round your answers to the nearest whole dollar amount.)

e.	Which company will report the lowest amount of cash flow from operating activities on the 2016 statement of cash flows?

The cash flow from operating activies will be ____?__for__?____if income tax is not considered .Depreciation expense___?___a cash flow item.