PLEASE SHOW ALL WORK AND FORMULAS, DON'T USE EXCEL. IF YOU USE A FINANCIAL CALCULATOR PLEASE PUT ALL STEPS FOR ENTERING INTO THE CALCULATOR AND WHICH MODES IT NEEDS TO BE ON.

Question 19 Elizabeth is seeking to expand her rare coin collection. Each year, rare coins increase in price at a three percent rate. She believes that if she invests her money for one year. she should be able to buy 26 coins for what 25 coins would cost today. What is her real interest rate or reward for waiting? a