Hello, I need a little help with some of the figures... can anyone provide for me? Thank you Exercise 9-8

Here are selected 2014 transactions of Cleland Corporation.

Jan. 1	Retired a piece of machinery that was purchased on January 1, 2004. The machine cost $61,920and had a useful life of10years with no salvage value.
June 30	Sold a computer that was purchased on January 1, 2012. The computer cost $35,200and had a useful life of4years with no salvage value. The computer was sold for $5,700cash.
Dec. 31	Sold a delivery truck for $9,160cash. The truck cost $23,050when it was purchased on January 1, 2011, and was depreciated based on a5-year useful life with a $3,910salvage value.