On January 1, 2010, Richmond Corp. purchased a trademark for $400,000, which had an estimated useful life of 16 years. In January 2014, Richmond paid $60,000 for legal fees in a successful defence of the trademark. The amortization expense for this asset for calendar 2014, should be a. $30,000. b. $28,750. c. $25,000. d. $ - 0