Indicate the effect that the following will have on the operating cycle. Use the letter I to indicate an increase, letter D for a decrease, and the letter N for no change.

1. Receivable average goes up.
2. Credit repayment times for customers are increased.
3. Inventory turnover goes from 3 times to 6 times.
4. Payable turnover goes from 6 times to 11 times.
5. Receivable turnover goes from 7 times to 9 times.
6. Payments to suppliers are accelerated.