5 years 1. Twilight Manufacturing's property, plant and equipment records reveal the following information: Equipment Cost Residual Purchase Depreciation Estimated Units Produced Value Date Method Useful Life in 2014 (1) 50,000 12,000 Deci, Straight Line 2,000 2013 (2) 60,000 8,000 Oct 18, Units of 50,000 units 5,000 2014 Production (3) 120,000none June 12, Double Dedining 10 years 6,000 2014 Balance (4) 90,000 10,000 May 3, Straight Line 8 years 8,000 2014 Calculate the depreciation expense for each equipment item for the year ended December 31, 2014, using the nearest whole month method