Promissory Notes, Simple Discount Notes, and the Discount Process 1. Kendra signed a promissory note for $5,900 at 12% ordinary interest for 180 days. Find the interest and amount due she will pay when the note is due. 2. Find the ordinary interest from November 8 to November 22 on $750 at 9% interest. 3. A refrigerator sells for $1,044 on the installment plan. After making a down payment of $100, you pay $59 a month. How many months will it take to pay for the refrigerator? 4. Andre Fox borrowed $15,000 on a non-interest-bearing, simple discount, 7 1/2% 90-day note. Assume ordinary interest. What is (a) maturity value, (b) the bank's discount, (c) Andre's proceeds, and (d) the effective rate to nearest hundredth percent