Three different companies each purchased trucks on January 1, 2016, for $50,000. Each truck was expected to last four years or 200,000 miles. Salvage value was estimated to be $5,000. All three trucks were driven 66,000 miles in 2016, 42,000 miles in 2017, 40,000 miles in 2018, and 60,000 miles in 2019. Each of the three companies earned $40,000 of cash revenue during each of the four 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 net income for 2016?

Company A B C

b-1.

Calculate the net income for 2019? (

Company A B C

c-1.

Calculate the book value on the December 31, 2018, balance sheet? (Round your "Per Unit Cost" to 3 decimal places.)

Company A B C

d-1.	Calculate the retained earnings on the December 31, 2019, balance sheet? Company A B C