Use this information for Questions 11 and 12 On October 1, 2021, Auto Co. paid for a one-year insurance policy costing $1,200 and made the following entry on that date: Prepaid insurance Cash CREDIT DEBIT 1,200 1,200 What is adjusting entry at the year-end date of December 31, 20217 O a. DEBIT Prepaid Insurance 900 CREDIT Insurance Expense 900 O b. DEBIT Insurance Expense 900 CREDIT Prepaid Insurance 900 Oc. DEBIT Prepaid Insurance Od. DEBIT Insurance Expense 300 300 CREDIT Insurance Expense 300 CREDIT Prepaid Insurance 300