Classify the following adjusting entries as involving prepaid expenses, unearned revenues, accrued expenses, or accrued revenues. Accrued expenses Prepaid expenses a To record services performed but not yet billed or recorded. b. To record suppilds used as supplies expense. c. To record expiration of prepaid Insurance d. To record cash received from a customer for services not yet provided To record office salaries expense incurred but not yet paid Classify the following adjusting entries as involving prepaid expenses, unearned revenues, accrued expenses, or accrued revenues. Accrued expenses Prepaid expenses a To record services performed but not yet billed or recorded. b. To record suppilds used as supplies expense. c. To record expiration of prepaid Insurance d. To record cash received from a customer for services not yet provided To record office salaries expense incurred but not yet paid