The following information was extracted from the accounting records of SS Stores on 28 February 2019, the end of the financial year: Opening inventory R20 000 Purchases of inventory R260 000 R10 000 Inventory returned to suppliers Carriage on purchases R8 000 Closing inventory Cost of sales R228 000 The closing inventory for the year ended 28 February 2019 equals Select one: a. R50 000 O b. R70 000 c. R42 000 o d. none of the above