Chen Company completed the following transactions and events involving its delivery trucks. 2010 June 1 Paid $19,415 cash plus $1,165 in sales tax for a new delivery truck estimated to have a five-year life and $3,000 Salvage value. Delivery truck costs are recorded in the Trucks account. Dec. 31 Recorded annual straight-line depreciation on the truck. 2011 Dec. 31 Due to new information obtained earlier in the year, the truck's estimated useful life was changed from 5 to 4 years, and the estimated salvage value was increased to $3,500. Recorded annual straight-line depreciation on the truck. 2012 Dec. 31 Recorded annual straight-line depreciation on the truck. Dec. 31 Sold the truck for $6,200 cash