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two questions del Rate of return if state occurs Prob. of the State of Stock A Stock B the economy state of economy 0.15 0.04 0.30 Boom 0.70 0.05 0.04 Bust Excel file here You MUST use 4 digits in every calculation you do in order for your answer to be the same as the one in the system. Enter answer in decimal notation rounding to nearest 4 decimal. You must enter the 0 before the decimal dot. Do not use or enter the %. For example, if your answer is 3.489% (0.03489) enter 0.0349; if your answer is 0.1200 then enter 0.1200 What is the expected return of a portfolio with 20% in stock A and 80% in stock B? A What is the variance of the portfolio with 80% in stock A and 20% in stock B? A