Cola Corporation purchased label making equipment costing $36,000 on January 1, Year 1. The equipment has a 5-year estimated useful life. The equipment's salvage value is estimated to be $4,000. The equipment is depreciated using the double-declining-balance method. The equipment's book value at the end of year 2 is: A. 519,200 . B. 514,400 . C. $21,600 D. $9,600. E. $12,960