Which of the following is the proper adjusting entry, based on a prepaid insurance account balance before adjustment of $18,779 and unexpired insurance of $4,197, for the fiscal year ending on April 30? a. debit Prepaid Insurance, $14,582; credit Insurance Expense, $14,582 b. debit Insurance Expense, $18,779; credit Prepaid Insurance, $18,779 c. debit Insurance Expense, $14,582; credit Prepaid Insurance, $14,582 d. debit Prepaid Insurance, $18,779; credit Insurance Expense, $18,779