5.2 Study the information provided below and calculate the following using an extract of the format of the statement of comprehensive income: 5.2.1 Gross profit for the year ended 31 December 2020, using the weighted average cost method. Note: Express the average cost per unit to the nearest cent. 5.2.2 Cost of sales for the year ended 31 December 2020, if the FIFO method is used. (6 marks) (4 marks) INFORMATION Premier Hardware had an inventory of 200 bags of cement on 01 January 2020, the start of the financial year, valued at R80 per bag (including carriage). During 2020 the following purchases/returns were made: 1 800 bags were purchased at R80 each on 28 February 2020. Carriage amounted to R5 per bag. 300 bags that were purchased on 28 February 2020 were returned to the supplier two days later. A refund was obtained on the carriage. 800 bags were purchased at R84 each on 31 August 2020. Carriage amounted to R6 per bag. Note: Carriage is not included in the purchase price. Sales: During the year 1 500 bags were sold. 900 bags were sold for R120 each and the balance was sold at R130 each