On January 1, 2021, Henry Manufacturing Corporation purchased a machine for $60,000. Henry's management expects to use the machine for 30,000 hours over the next six years. The estimated residual value of the machine at the end of the sixth year is $0. The machine was used for 5,000 hours in 2021 and 6,000 hours in 2022. Calculate the book value of the machine at the end of 2022 if the company uses the units-of-production method of depreciation. $22.000 O $54,500 $38,000 O $11,000