$1.($Ex $3-1)$ Classify the following items as accrued revenue, accrued expense, unearned revenue, or prepaid expense: a$.$Revenue earned from providing landscaping services but cash has not yet been received.b$.$Taxes owed but payable in the following period.c$.$Inventory on hand.d$.$A $3-$year premium paid on insurance policy.e$.$Wages owed to employees but not yet paid.f$.$Fees received in advance for consulting services but the services have not yet been performed.g$.$Gas utility bill owed but not yet paid.h$.$Subscriptions received in advance by a newspaper company.