An economy produces computer chips and fish. In 2014, one pound of fish costs $10, a computer chip costs $10, and the economy produces 10 pounds of fish and 10 computer chips. In 2015, when the economy produces 5 pounds of fish and 20 computer chips, one pound of fish costs $20 and a computer chip costs $5. Real GDP in 2015 (at 2014 prices) was dollars.

Stock a has a beta of 1.2 and a standard deviation of 20%. stock b has a beta of 0.8 and a standard deviation of 25%. portfolio p has $200,000 consisting of $100,000 invested in stock a and $100,000 in stock b. which of the following statements is correct? (assume that the stocks are in equilibrium.) (a) stock b has a higher required rate of return than stock a. (b) portfolio p has a standard deviation of 22.5%. (c) portfolio p has a beta equal to 1.0. (d) more information is needed to determine the portfolio's beta. (e) stock a's returns are less highly correlated with the returns on most other stocks than are b's returns.