Given the attached information: Estimate the betas for Blandy and Gourmange companies?   If you have a portfolio of 25% Blandy and 75% Gourmange, what is the beta for your portfolio?

"Your company is comparing three projects that have risks associated with them. Based on the data in the foliowing data in the table, which should be chosen? Project A Project B Project C Probability 0.3 EUAW Probability 0.3 0.2 EUAW EUAW -$2,400 $2,000 $3,500 $3,000 -$2,300 $3,800 Probability 0.1 0.4 -$5,500 $7,200 $1,900 0.45 0.25 0.5 0.5

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In a financial market a stock is traded with a current price of 50. Next period the price of the stock can either go up with 30 per cent or go down with 25 per cent. Risk-free debt is available with an interest rate of 8 per cent. Also traded are European options on the stock with an exercise price of 45 and a time to maturity of 1, i.e. they mature next period. Find prices of Arrow-Debreu securities.