Winsor Comp following information is available for the month of May: Units cost per unit any uses the perpetual inventory system and the LIFO method. The May 1 Beginning inventory 20 units@ $5 10 Purchase 20 units @ s8 15 Sales 15 units sold for $20 each. Need to calculate COGS. 18 Purchase 10 units @$9 21 Sales 15 units sold for $20 each. Need to calculate COGS. 30 Purchase 10 units@ s10 A) Use the attached table (schedule) to show calculation of cost of goods sold and cost of ending inventory B) The sales price of each unit is $20. Customers paid cash. What is the total amount of Sales? C) Prepare a journal entry for the sale of the goods on May 15 and May 21. D) In which financial statement does the amount of ending inventory appear? E) In which financial statement do the amount of sales and amount of cost of goods inventory appear? F) What is the amount of gross margin for month of May? G) What is the gross margin percentage