Calculate the expected cost of sales for the year ended 31 December 2022 from the information provided below. (4 marks) INFORMATION The following forecasts were made by Supra Manufacturers for 2022 in respect of its finished goods: Inventory on 01 January 2022 100 units @ R50 each Inventory on 31 December 2022 400 units Cost of production of finished goods during 2022 1 200 units @ R60 each The first-in-first-out method is used to value inventories.