Sohar Company showed the following balances at the end of its first year: Cash R.O 5.000 Prepaid Rent 500 Office Supplies 2.500 Unearned Service Revenues 2.000 Account payable 3,000 Share Capital 1,000 Dividends 500 Service Revenues 15,000 Salary Expenses 6,000 Rent Expenses 1.000 Supplies Expenses 2,000 Utilities Expenses 3.500 What is the total Debits sidle for Muscat Company's trial balance? Select one: a. OMR 22,000 Ob. OMR 21,000 None of the answers are correct O d. OMR 21,500 OMR 20,500