This company purchased a truck at a cost of $12,000. The truck has an estimated residual value of $2,000 and an estimated life of 5 years, or 100,000 hours of operation. The truck was purchased on January 1, 2019, and was used 27,000 hours in 2019 and 26,000 hours in 2020. Refer to Fabian Woodworks. If the company uses the straight-line method of depreciation, what is the book value at December 31, 2021?