In a recent 5-year period, mutual fund manager Diana Sauros produced the following percentage rates of return for the Mesozoic Fund. Rates of return on the market index are given for comparison. 1 2 3 4 5 Fund 1.3 +25.0 +41.0 +12.0 +0.4 Market index 1.0 +17.0 +32.0 +11.3 0.8 a. Calculate (a) the average return on both the Fund and the index?