Brief Exercise A-20 Joanne Quick made an investment of $19,666.02. From this investment, she will receive $2,800 annually for the next 10 years starting one year from now. (For calculation purposes,use 5 decimal places as displayed in the factor table provided.) what rate of interest will Joanne's investment be earning for her? (Hint: Use Present value of an annuity factor table.) (Round answer to 0 decimal places, e.g. 25%.) Rate of interest