RUNNING CASES 3-5 CASE 1 Noreen In her role as collections manager, Noreen has to write a letter informingF customers with overdue accounts at the interest rate has risen by 1 percent, effective 3t] days from the date on the letter. This policy means Peu'oGo's current interest rate is 14 percent and in St] days will increase to 15 percent. Overdue accounts are charged with compounding interest (that is: interest on both the previous month's balance and the interest alreadyr charged on the month's balance]