At the beginning of the year, Palermo Brothers, Inc., purchased a new plastic water bottle making machine at a cost of $58,000. The estimated residual value was $7,000. Assume that the estimated useful life was tour years, and the estimated productive Ife of the machine was 510,000 units. Actual annual producton was as tollows: Year Units 153,000 2 112,200 3 140,250 4 104,550 Required: 1. Complete a separate depreciation schedule for each of the alter native methods. a. Straight-line. ation Year Book Valuc At acquisition b. Units-af-production Year Depreciation Book Value At acquisition Year Book Value Ar acquisition