East Company purchased a new truck a t the beginning of this year for $30,000. The truck has a useful life of eight years or 150,000 miles, and an estimated salvage value of $3,000. If the truck is driven 16,500 miles this year, how much depreciation will East report under the double-declining balance (DDB) method and the units-of-production (UOP) method?
　DDB　　　UOP

A.$7,500　　$2,970

B.$7,500　　$3,300

C.$6,750　　$2,970