CK incurred $68,000 of research and development costs in its laboratory to develop a patent, which was granted on January 2, 2001. Legal fees and other costs associated with registration of the patent totaled $27,201. CK estimates that the economic life of the patent will be eight years. What amount should CK charge to patent amortization expense for the year ended December 31, 2008? Select one: a. $3,400 b. $1,600 O c. $20,400 d. $0 Clear my choice