Nick's Fish Market purchased Maine lobster on account on October 10, 2014, for a gross price of $76,000. Nick also purchased Alaskan king crab on account on October 11, 2014, for a gross price of $36,000. The terms of both sales were 2/15, n/30. Nick paid for the first purchase on October 20, 2014, and for the second purchase on October 30, 2014. He uses the perpetual inventory method. Prepare journal entries for each transaction.