On April 1, 2007, SAS Corp. purchased and placed in service a plant asset. The following information is available regarding the plant asset:

On April 1, 2007, SAS Corp. purchased and placed in service a plant asset. The following information is available regarding the plant asset: Make the necessary adjusting journal entries at December 31, 2007, and December 31, 2008 to record depreciation for each year under the following depreciation methods:(a.) Straight-line.(b.) Double-declining-balance.