SEMA Enterprises purchased a depreciable asset on July 1, Year 1 at a cost of $100,000. The asset is expected to have a salvage value of $20,000 at the end of its five-year useful life. The asset is depreciated using the double-declining: balance method Required: Calculate the asset's the book value on December 31, Year 2. (Note: in the answer space, write only the number, with no $ signs or commas. That is, if your answer is $1,000, white it as : 1000 )