7 of 17 -/60 E Selected transactions of Coromandel Ltd are given below. The company uses straight-line depreciation and calculates depreciation expense to the nearest whole month. 2018 Jan. 4 April 10 Purchased from Brampton Ltd a bottle washer (Serial No. 17538X) for $44,000 cash (net of GST). The useful life of the machine is 5 years and its residual value is expected to be $8,000. Purchased from Granada Ltd a dryer (Serial No. PY43121) for $39,000 cash (net of GST). The machine has a useful life a 6 years and a residual value of $9,000.