1. A medical device was purchased on 8/01/20X6 for $13,000 with a useful life of 10 years and salvage value assigned as 20% of the historical cost. Using the straight-line depreciation method, calculate the following: a. the total depreciation expense amount over the useful life for the equipment b. the annual depreciation expense for the equipment c. the depreciation expense account value for the asset on 9/01/20X9 d. the accumulated depreciation account value for the asset on 9/01/20X9