Explore Incorporated is a new start-up specializing in renting camper vans. On January 1, Year 1 , the company purchased a new camper van with a total cost of $84,000. The company estimates that the van will have a 10-year useful life and a salvage value of $10,500. The company has elected to depreciate the van using the double-declining-balance method. Required: a. Determine the amount of depreciation expense to be recognized on the van at the end of Year 1 ? b. Determine the amount of accumulated depreciation at the end of Year 2