Correcting the Trial Balance: Near the end of the year, Alpha received $2,000 cash in advance from a customer for services to be performed in the future, and recorded it as a debit to Cash and a credit to Service Revenue. By the end of the year, Alpha had earned $500 of the cash received in advance. No AJE was recorded. What corrections, if any, should be made to the trial balance? Ti At 21 Debit Column [Select] [Select] -2,000 Credit Column The correct answer is not listed. -2,000 +500-500 +500-500 No entry.