Gracie Co. has the following information: Net Sales: $22,000 COGS: $12,000 Operating Expenses: $3,000 Interest Revenue: $800 Unearned Revenue: $1,100 Accounts Payable: $500 Accounts Receivable: $4,000 Beginning Retained Earnings: $45,000 Dividends: $6,000 Calculate the ending balance in Retained Earnings for Gracie Co.