Please answer this:

On January 1, 2009 Gordon Company purchased a patent for $420,000 from an inventor who had developed a new manufacturing process. At the time of the purchase, the patent had a remaining legal life of 10 years.

Using the accounting equation below and T-accounts:

1. 1- Prepare the entry to record Gordons purchase of the patent.
2. 2- Prepare the entry to record amortization of the patent on 12/31/09.
3. 3- Attheendof2012afteramortizationhadbeenrecordedthrough12/31/2001,Gordonconcludedthattheestimatedfuturecashflowsfromthepatent
4. tobe$200,000asrequiredtotestforimpairment.Recordtheimpairmentloss.
6. Assets=Liabilities+SE+Revenues-Expenses