Don't do it in excel or handwriting please

17. Consider the following information about three equities: State of economy Boom Good Bust Probability of state of economy 0.25 0.50 0.25 Rate of returns if state occurs Equity A Equity B Equity C 0.24 0.36 0.55 0.17 0.13 0.09 0.00 -0.28 -0.45 If your portfolio is invested 40 per cent each in A and B and 20 per cent in C, what is the portfolio expected return? The variance? The standard deviation