Depreciation Expense GG, Inc. buys a delivery van for $43,000. GG puts the van in service on January 1, 2019. It has an estimated useful life of 4 years and an estimated residual value of $3,500. Please calculate the depreciation expense for 2019 under the following circumstances. Please show your calculations (6 points): Assume the company uses the straight-line method: Assume the company uses double-declining balance: Assume the company estimates they will use the van for 260,000 miles and during 2019, they drive the van for 65,000 miles