Given the data below on the return for security D and the return on the market, what is the beta for security D relative to the market? If the risk-free rate is 4.36%, what is the expected rate of return on security D?

Joint Probability	Return on Security D	Return on the Market
5/20 = .25	8%	6%
5/20 = .25	10%	10%
4/20 = .20	11%	9%
2/20 = .10	15%	10%
4/20 = .20	19%	11%