2. The store where you bought these appliances oh'ered you a provision that it you pay the bill within 3 years, you will not be charged any interest for your purchases. However, if you are even a day late in paying the hill, the store will charge you interest for the 3 years. Choose an interest rate between 12% and 16%. Denote this by r, and conyert your answer into decimal form. [4 points] Annual interest rate in decimal form, r