On January 1, 2019, X Corporation acquired 100% of Y Company's stock for $150,000. On the acquisition date, Y company net assets of $450,000 valued at book value and $500,000 stated at fair value. The difference (50,000) was due to the increased value of patent with a remaining life of 10 years. What amount of amortization excess for 2019? O a. $5,000 b. $7,000 O c. $2,000 O d. $1,000