with clear explanation please

Presented below are selected transactions for Corbin Company for 2011 April 30 Sold a machine for $28.000 that was purchased on January 1, 2008. The machine cost $75,000 and had a useful life of 5 years with no residual valuc. Dec. 31 Discarded a business automobile that was purchased on April 1, 2007. The car cost $32,000 and was depreciated on a 5-ycar useful life with a residual value of $2.000 Required: Joumalize all entries required as a result of the above transactions. Corbin Company uses the straight-line method of depreciation and has recorded depreciation through December 31, 2010. (40%) April 30