Study the following balances and totals from the General Ledger of Gugu Traders on 30 November 2021. R S21 R9 560 Stationery Trading Stock Drawings Wages R2 550 R2 345 Sales R18 300 R40 655 Capital Rent income R1 200 R 20 559 Bank (Dr) Telephone Equipment Cost of Sales R. 420 R 14 000 Creditor's control R2 000 The business uses a mark-up of 50% on cost price. Instruction: Complete the partially completed Trial Balance and calculate the missing amount. [5]