Lindt Sdn. Bhd. operate a business dealing with buying and selling biscuits and confectionery. Following are the company's purchases and sales in the month of July 20X2: Required: (a) Calculate the closing inventory as at 31 July 202 using the first-in first-out (FIFO) valuation method. (b) Calculate the closing inventory as at 31 July 202 using the last-in first-out (FIFO) valuation method. (c) Calculate the closing inventory as at 31 July 202 using the average (AVCO) inventory valuation method. Lindt Sdn. Bhd. operate a business dealing with buying and selling biscuits and confectionery. Following are the company's purchases and sales in the month of July 20X2: Required: (a) Calculate the closing inventory as at 31 July 202 using the first-in first-out (FIFO) valuation method. (b) Calculate the closing inventory as at 31 July 202 using the last-in first-out (FIFO) valuation method. (c) Calculate the closing inventory as at 31 July 202 using the average (AVCO) inventory valuation method