Academic Dishonesty Investigations Ltd. operates a plagiarism detection service for universities and colleges. Required: 1. Prepare journal entries for each transaction below. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) a. On March 31, ten customers were billed for detection services totalling $55,000. b. On October 31, a customer balance of $3,300 from a prior year was determined to be uncollectible and was written off. c. On December 15, a customer paid an old balance of $2,400, which had been written off in a prior year. d. On December 31, $1,600 of bad debts were estimated and recorded for the year. View transaction list View journal entry worksheet No Transaction General Journal Debit Credit 1 a. No Transaction Recorded 2 b. No Transaction Recorded 3 c-1. No Transaction Recorded 4 c-2. No Transaction Recorded 5 d. No Transaction Recorded 2. Complete the following table, indicating the amount. Ignore income taxes. (Enter any decreases with a minus sign.) Transaction Net Receivables Income from Net Sales Operations 8. b. C. This is a numeric call, so please enter numbers only. d