Muscat Company showed the following balances at the end of its first year: Cash R.O 6,000 Prepaid Rent 500 Office Supplies 2,000 Account payable 1,000 Share, Capital 15,000 Service Revenues 5,000 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: O a. 22,000 b. None of the answers are correct O c. 20,500 d. 21,000