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 $41,500. b. On October 31 , a customer balance of $2,490 from a prior year was determined to be uncollectible and was written off. c. On December 15 , a customer paid an old balance of $1,725, which had been written off in a prior year. d. On December 31,$1,105 of bad debts were estimated and recorded for the year. Journal entry worksheet 2 4 5 > On March 31, ten customers were billed for detection services totalling $41,500. Note: Enter debits before credits. 2. Complete the following table, indicating the amount. Ignore income taxes. (Enter any decreases with a minus sign.)