Norwood, Inc. purchased a crane at a cost of $80,000. The crane has an estimated residual value of $5,000 and an estimated life of eight years, or 12,500 hours of operation. The crane was purchased on January 1, 2017, and was used 2,700 hours in 2017 and 2,600 hours in 2018. Refer to the information for Norwood, Inc. If Norwood uses the straight-line depreciation method, what is the book value at December 31, 2019? a. $67,500 Ob. $62,500 c. $46,875 Od. $51,875