A computer was purchased on June 30 of year 1. It cost $1,000 and was expected to be used for four years, at which point it can be sold at $200. Part A: Assume that the company uses straight line method of depreciation. Please indicate the dollar amount of the net book value for each of the following years. 1000 - 200 = 800 < can't exceed when # are added up Part B: Assume that the company uses declining balance method of depreciation at a rate of 30% annually. Please indicate the dollar amount of the net book value for each of the following years