oProficient-level: "What annual rate of return is earned on a $5,000 investment when it grows to $9,500 in nine years?" (Cornett, Adair, & Nofsinger,

oRecalculate the rate of return, assuming the growth occurred in eight years, and again, assuming the growth occurred in ten years.

oDistinguished-level: Describe the relationship between changes in the amount of time and the changes in annual rate of return.