6 Below is a list of accounts with corresponding balances. Using these accounts, along with the fact that the beginning balance in Retained Earnings is $15,000, calculate ending balance in Retained Earnings: Insurance Expense $2,500 o Cash $4,600 Advertising Expense $3,200 o Accounts Payable $5,000 Dividends $1,000 Interest Revenue $500 a. $15,500 b. $8,300 c. $8,800 d. $9,300