Refer to Portfolio. What was the one-year holding period return for the portfolio in 2011? Assume any dividend payments are included in the market value shown above. (GRAPH IN THE MODULE) 11.8% 20.1% 39.9% 10.5% 25.2% Refer to Portfolio. What was the one-year holding period return for the portfolio in 2011? Assume any dividend payments are included in the market value shown above. (GRAPH IN THE MODULE) 11.8% 20.1% 39.9% 10.5% 25.2%