Ely purchased a patent (with a remaining legal life of ten years) from Backo on January 1, 2010 for $300,000. Ely expected to use the patent for five years. The carrying value on Backo's books was $90,000.Show calculations. How much should be amortized for 2010?
a. $9,000
b. $18,000
c. $30,000
d. $60,000