Problem 4. Rollins Company accumulates the following adjustment data at December 31.

(a) Service revenue earned but unbilled totals $600.

(b) Store supplies of $300 are on hand. Supplies account shows $1,900 balance.

(c) Utility expenses of $275 are unpaid.

(d) Service revenue of $490 collected in advance has been earned.

(e) Salaries of $800 are unpaid.

(f) Prepaid insurance totaling $400 has expired.

Instructions

(a) Prepare journal entries for each of the events above.

(b) Indicate the type of adjustment (prepaid expense, unearned revenue, accrued revenue, or accrued expense).