Required information [The following information applies to the questions displayed below) Fraud Investigators Inc. operates a fraud detection service. a. On March 31, 10 customers were billed for detection services totaling $30,000 b. On October 31, a customer balance of $1750 from a prior year was determined to be uncollectible and was written off. c. On December 15, a customer paid an old balance of $850, which had been written off in a prior year d. On December 31, $550 of bad debts were estimated and recorded for the year 2. Complete the following table, Indicating the amount and effect (+ for increase, - for decrease, and NE for no effects of each transaction. Ignore Income taxes. Transaction Not Recevables Not Sales Income From Operations b d