I need help with question number 4 part B

v 21 AaBbCcDdE AaBbCcDdE AaBbc Normal No Spacing Heading 1 Question 4 (25 marks) Sammy's Sportswear sells sport jerseys. It has a May 31, 2018 year end. On February 28, 2018, Sammy's Sportswear had in inventory of 40 jerseys that each cost $ 20. During the next 3 months, Sammy's Sportswear purchased the following merchandise: Units March April May Unit Cost $ 30 $40 Total $ 1,500 $ 4,000 $ 7,500 100 150 $50 During March, April, and May, Sammy's Sportswear sold the following merchandise: Units Total 60 March April May Unit Selling Price $ 60 $ 70 $ 90 $ 3,600 $ 2,800 $ 8,100 Operating expenses for March, April, and May totalled $ 3,500. Sammy's Sportswear used a perpetual inventory system. Assume that monthly purchases occurred on the first day of each month. Required: A. Calculate Sammy's Sportswear's ending inventory at May 31, 2018 using the moving- weighted average costing method and the FIFO costing method B. Prepare Sammy's Sportswear's May 31, 2018 income statement for both the moving weighted average costing method and the FIFO costing method. Record the gross margin and operating income