Please explain the question to me.

Question 18 Use the following information listed in the adjusted trial balance to answer the question that Not yet follows: answered Marked out of Service Revenue R10 000 1.00 Rent Expense R4 000 Flag question Salary Expense R3 000 Utilities Expense R1 000 The correct entry to close the expense accounts would be Select one: O a. debit cash R8 000, credit rent expense R4 000, credit utilities expense R3 000, credit utilities expense R1 000 O b. debit rent expense R4 000, debit utilities expense R3 000, debit utilities expense R1 000, credit service revenue R8 000 O c. debit income summary R8 000, credit rent expense R4 000, credit utilities expense R3 000, credit utilities expense R1 000 O d. debit service revenue R8 000, credit rent expense R4 000, credit utilities expense R3 000, credit utilities expense R1 000