ABC adjusts its books each month and closes its books on December 31 each year. The trial balance at January 31, 2005, before adjustments, is as follows:
                                                                           Debit                          Credit
 Cash                                                                18,000
 Unearned Admission Revenue                                                              2,000
 Capital Stock                                                                                        20,000
 Retained Earnings, January 1, 2005                                                     38,200
 Admissions Revenue                                                                            27,600
 Salaries Expense                                               8,100
 Utilities Expense                                               5,700
 Rent Expense                                                   5,400                          _________
                                                                        115,800
Refer to the above data.  On August 1, 2004, the park purchased a 12-month insurance policy.  The necessary adjusting entry at January 31 includes which of the following entries?  (Hint: The company has adjusted its books monthly.)
A、A debit to Insurance Expense for 11,550.
C、A credit to Unexpired Insurance for 10,800.