24. A firm starts the month with 1,000 units in inventory at a cost of $12 per unit. They have the following transactions during the month of January 1/14/23: Purchase 500 units on account at a cost of $13 per unit, terms 2/10, n/30 1/20/23: Sell goods costing $100 for $140, cash. 1/22/23: Pay for purchase made on 1/14/23 1/27/23: Customers from 1/20/23 returned some merchandise. Gave $14 refund, and put goods costing $10 back in inventory. Required: Prepare entries to record the above transactions assuming the firm uses the PERPETUAL inventory method