Use the information below for Maple Inc. for 2015 and 2016 to answer the following question. Equipment, December 31, 2015 $65,000 Equipment, December 31, 2016 $72,000 Accumulated depreciation, December 31, 2015 $39,000 Accumulated depreciation, December 31, 2016 $30,000 During 2016, Maple Inc. sold equipment with a cost of $30,000 and accumulated depreciation of $27,000. A gain of $3,000 was recognized on the sale of the equipment. This was the only equipment sale during the year. What was depreciation expense for 2016? $9,000 $16,000 $18,000 $30,000