help please

Caring Hands Ltd. is a retailer specializing in hand care products. The company donates twenty percent of its profits to local charities. Caring Hands uses the perpetual inventory system and the following limited information relates to Caring Hands Ltd.'s inventory transactions during the month of May: Date May 1 5 Cost/Unit $41 Amount $307,500 13 Units 7,500 3,300 1,40p 800 3,600 2,500 3,900 Beginning Inventory Sale Purchase Purchase Sale Purchase Sale 17 $48 $49 $67,200 $39,200 20 28 $54 $135,000 30 Units sold were priced at $60. (a1) Calculate Caring Hands' cost of goods sold, gross margin, and ending inventory for the month of May using FIFO. Cost of Goods Sold $ Gross Margin $ Ending Inventory 5