Current Attempt in Progress Wang Company accumulates the following adjustment data at December 31. For each item, indicate (1) the type of adjustment (prepaid expense, uneared revenue, accrued revenue, or accrued expense) and (2) the status of the accounts before adjustment (overstated or understated) (Enter your answers in alphabetical order) (2) (1) Type of Adjustment Accounts Before Adjustment Services performed but unbilled total $504 a b. Store supplies of $134 are on hand. The supplies account shows a $1.596 balance Utility expenses of $232 are unpaid and unrecorded d. Services performed of $412 have been collected in advance. Salaries of $520 are unpaid and unrecorded t Prepaid insurance totaling $336 has expired