Arsalan & Abdullah Ltd purchased a new machine on October 1, 2015. The information concerning the machine is: Cost of machine $477935, residual vale $49555, estimated useful life 6 years, estimated useful life 18,000 hours. The usage (in hours) of machine during 2015 to 2021 was: 704,3215,3136,2975,3091,3182 and 3164. Instructions: 1. Compute depreciable cost of the machine. 2. Compute amount of depreciation for the years from 2015 to 2021 and accumulated depreciation at the year under: end of each