Classifying types of adjustments

Classify the following items as $($a$)$ accrued revenue, $($b$)$ accrued expense, $($c$)$ unearned revenue, or $($d$)$ prepaid expense:

Line Item DescriptionClassification$1.$A two$-$year premium paid on insurance policy.

Accrued revenueAccrued expensePrepaid expenseUnearned revenue

$2.$Fees earned but not yet received.

Accrued revenueAccrued expensePrepaid expenseUnearned revenue

$3.$Fees received but not yet earned.

Accrued revenueAccrued expensePrepaid expenseUnearned revenue

$4.$Salary owed but not yet paid.

Accrued revenueAccrued expensePrepaid expenseUnearned revenue

$5.$Subscriptions received in advance by a magazine publisher.

Accrued revenueAccrued expensePrepaid expenseUnearned revenue

$6.$Supplies on hand.

Accrued revenueAccrued expensePrepaid expenseUnearned revenue

$7.$Taxes owed but payable in the following period.

Accrued revenueAccrued expensePrepaid expenseUnearned revenue

$8.$Utilities owed but not yet paid.