The Income Statement for the Month of June, 2011 of Taylor

The income statement for the month of June, 2011 of Taylor Enterprises contains the following information: $\begin{array}{lr}\text { Revenues }&&£7,000\\\text { Expenses: }\\\text { Wages Expense } & £ 2,000 \\\text { Rent Expense } & 1,000 \\\text { Supplies Expense } & 300 \\\text { Advertising Expense } & 200 \\\text { Insurance Expense } & 100\\\text { Total expenses }&&3,600\\\text { Net income }&&£(3,400) \end{array}$
The entry to close Income Summary to Retained Earnings includes

A) a debit to Revenue for $£ 7,000$ .
B) credits to Expenses totalling $£ 3,600$ .
C) a credit to Income Summary for $£ 3,400$
D) a credit to Retained Earnings for $£ 3,400$ .