On January 1, 2018 Boyle's Bagels acquired equipment for $110,000. The estimated life of the equipment is 15 years or 30,000 hours. The estimated residual value is $20,000. What is the amount of depreciation expense for 2018, if Boyle's uses the asset 2.200 hours and uses the units-of-production method of depreciation? Select one: a. $6,600 b. $8,067 C $5,000 d. 56,000