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Two risky assets are derived by a single flip of a coin. For asset A. a "head" outcome pays $4.00, while a "tails" outcome pays $0.00. For assets D, the corresponding payments are $3.00 and $1.00. The cost to invest in either asset is $1.00. Find the efficient portfolio made from the two assets A and B. Two risky assets are derived by a single flip of a coin. For asset A. a "head" outcome pays $4.00, while a "tails" outcome pays $0.00. For assets D, the corresponding payments are $3.00 and $1.00. The cost to invest in either asset is $1.00. Find the efficient portfolio made from the two assets A and B