In a Particular Year, Razorback Mutual Fund Earned a Return

In a particular year, Razorback Mutual Fund earned a return of 1% by making the following investments in asset classes: $$\begin{array} { | l | l | l | } \hline & \text { Weight } & \text { Return } \\\hline \text { Bonds } & 20 \% & 5 \% \\\hline \text { Stocks } & 80 \% & 0 \% \\\hline\end{array}$$ The return on a bogey portfolio was 2%, calculated from the following information. $$\begin{array} { | l | l | l | } \hline & \text { Weight } & \text { Return } \\\hline \text { Bonds (Lehman Brothers Index) } & 50 \% & 5 \% \\\hline \text { Stocks (S\&P 500 Index) } & 50 \% & - 1 \% \\\hline\end{array}$$
-The total excess return on the Razorback Fund's managed portfolio was __________.

A) -1.80%
B) -1.00%
C) 0.80%
D) 1.00%
E) none of the above