In an economy with two states, Boom and Bust, the probability of the Boom state is 0.68 and the probability of the Bust state is 0.32. If the rate of return for Stock A during the Boom state is 21% and during the Bust state is 7%, what is the expected return for Stock A?
a) 14.92%
b) 15.25%
c) 14.28%
d) 15.40%
