PROBLEM 2 (16) Boston Store uses a PERIODIC inventory system. Boston engaged in the following transactions during April: April 12 Purchased $15,000 in merchandise subject to terms of 3/10, n/30. April 13 Received a billing from Orange Freight Lines for $300 for the April 12 purchase. April 15 Returned $1,000 of merchandise from the April 12 purchase. April 20 Paid balances due from April 12 purchase and April 13 freight. Required: Show computations. a) Prepare journal entries to record the above transactions using the gross method. b) Prepare journal entries to record the above transactions using the net method. Assume instead that Boston uses a PERPETUAL inventory system. Required: Show computations. C) Prepare journal entries to record the above transactions using the gross method. d) Prepare journal entries to record the above transactions using the net method.