Bonnie's Decor Company provides the following information for the month of June related to pillow sales. Selling Cost per price per Date Units unit unit June 1. Opening inventory 60 $ 30 4. Purchase 40 $32 11. Sale 80 $60 23 Purchase 100 $38 29 Sale 70 $60 REQUIRED: a) Calculate the cost of goods sold and ending inventory under the FIFO costing system using the inventory cos tracking chart below (assuming the perpetual inventory system is used). (7.5 marks)