Wang Company accumulates the following adjustment data at December 31. For each item, indicate (1) the 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.) d. Services performed of $490 collected in advance. e. Salaries of $620 are unpaid. f. Prepaid insurance totaling $400 has expired. eTextbook and Media Save for Later Attempts: 0 of 2 used Submit