Required information Problem 6-24 Determining the effect of depreciation expense on financial statements LO 6-2, 6-3, 6-4 [The following information applies to the questions displayed below.] Three different companies each purchased trucks on January 1, 2018, for $90,000. Each truck was expected to last four years or 250,000 miles. Salvage value was estimated to be $5.000. All three trucks were driven 72,000 miles in 2018. 60.000 miles in 2019, 55,000 miles in 2020, and 65,000 miles in 2021. Each of the three companies earned $78,000 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. Problem 6-24 Part b b-1. Calculate the net income for 2021? (Round "Per Unit Cost" to 3 decimal places.) Net Income $ 56,750 Company A Company B Company C Problem 6-24 Part C-1. Calculate the book value on the December 31, 2020, balance sheet? (Round "Per Unit Cost" to 3 decimal places.) Book Value Company A Company B Company C Problem 6-24 Part d d-1. Calculate the retained earnings on the December 31, 2021, balance sheet? Retained Earnings Company A Company B Company C Problem 6-24 Parte e. Which company will report the lowest amount of cash flow from operating activities on the 2020 statement of cash flows? | for if income tax is not considered. The cash flow from operating activities will be Depreciation expense a cash flow item