Wang Company accumulates the following adjustment data at December 31. For each item, indicate the (1) type of adjustment (prepaid expense, unearned revenue, accrued revenue, or accrued expense) and (2) the status of the accounts before adjustment (overstated or understated). (Enter your answers in alphabetical order.) (1) Type of Adjustment (2) Accounts Before Adjustment (a) Services performed but unbilled totals $600. Select a type of adjustment Select a status of the accounts Select a status of the accounts (b) Store supplies of $160 are on hand. The supplies account shows a $1,900 balance. Select a type of adjustment Select a status of the accounts Select a status of the accounts (c) Utility expenses of $275 are unpaid. Select a type of adjustment Select a status of the accounts Select a status of the accounts (d) Service performed of $490 collected in advance. Select a type of adjustment Select a status of the accounts Select a status of the accounts (e) Salaries of $620 are unpaid. Select a type of adjustment Select a status of the accounts Select a status of the accounts (f) Prepaid insurance totaling $400 has expired. Select a type of adjustment Select a status of the accounts