Which of the following is the proper adjusting entry, based on a prepaid insurance account balance before adjustment of $15,269 and unexpired insurance of $6,941, for the fiscal year ending on April 30?

a.debit Insurance Expense, $8,328; credit Prepaid Insurance, $8,328

b.debit Prepaid Insurance, $8,328; credit Insurance Expense, $8,328

c.debit Prepaid Insurance, $15,269; credit Insurance Expense, $15,269

d.debit Insurance Expense, $15,269; credit Prepaid Insurance, $15,269