The Fin406 Mutual Fund earned a return of 16% last year by making the following investments in two asset classes: Weight Return Bonds 20% 12% Stocks 80% 17% The info about the benchmark/bogey portfolio is as follows: Weight Return Bonds (Barclays Aggregate Index) 60% 10% Stocks (S&P500 Index) 40% 15% The contribution of asset allocation alone to the Fin406 funds excess return (over the benchmark) was __________. 2.0% 3.5% 2.5% 1.5%