On March 12, Year 1, Shoreham, Inc

On March 12, Year 1, Shoreham, Inc. acquired melting equipment for $45,600. The estimated life of the equipment is 6 years, with an estimated residual value of $2,400.
-Refer to above data. In its financial statements, Shoreham uses double-declining-balance depreciation with half-year convention. The book value of the equipment at December 31, Year 2, will be:

A) $20,267.
B) $12,667.
C) $25,333.
D) Some other amount.