Hi there, can someone please help me at the bottom portion where I need to close the expense accounts for the period and calculate the post closing balance? I cannot figure out how to get the income summary portion that I have highlighted in yellow... Thanks!

The following balances appear on the books of Brett Kaufman Enterprises: Retained Earnings, $20,900; Dividends, $8,700; Income Summary, 50; Service Revenue, $22,500; Salaries Expense, 56,100; Rent Expense $3,000; and Advertising Expense, $2,600. All accounts have normal balances. Read the requirements Requirement 1. The T-accounts have been set up for you. Insert each account's adjusted balance as given (denote as Adj. Ball) at December 31. Retained Earnings 20,900 Adj. Bal. Service Revenue 22,500 Adj. Bal. Dividends 8,700 Salaries Expense 6,100 Adj. Bal. Adj. Bal. Income Summary Rent Expense 3,000 Adj. Bal Advertising Expense 2.600 Adj. Bal Requirement 2. Post the closing entries to the accounts, denoting posted amounts as Clos. Start by closing revenues Service Revenue Retained Earnings 20,900 Adj. Bal. 22,500 Adj. Bal. Clos. 22.500 Dividends Salaries Expense 6,100 Adj. Bal. 8,700 Adj. Bal. Rent Expense Income Summary 22.500 Clos. Adj. Bal. 3,000 Advertising Expense Adj. Bal. 2,600 Close all the expense accounts for the period and calculate the post-closing balance ("Bal.") of each expense account and the Service Revenue account. For any account with a zero balance after closing, enter a "0" on the normal side of the account. For Income Summary, calculate and enter the balance ("Bal.") before posting the entry to close out the Income Summary account. Do not close the Income Summary account in this step. Retained Earnings 20,900 Adj. Bal. Service Revenue 22,500 22,500 Adj. Bal. Clos. 0 Ball Dividends Salaries Expense 6,100 Clos Adj. Bal. 8,700 6.100 Adj. Bal. Bal. 0 Rent Expense Income Summary 22,500 Clos Bal. Adj. Bal. 3,000 3,000 Clos. Bal. 0 Advertising Expense 2.600 2,600 Clos Adj. Bal Bal. 0