On January 1, 2018, Dunbar Echo Co. sells a machine for $24,600. The machine was originally purchased on January 1, 2016 for $43,700. The machine was estimated to have a useful life of 5 years and a residual value of $0. Dunbar Echo uses straight-line depreciation. In recording this transaction:_________

a. a loss of $1,620 would be recorded
b. a gain of $1,620 would be recorded
c. a loss of $19,100 would be recorded
d. a gain of $24,600 would be recorded