A portfolio consists of 40 percent of Stock S and 60 percent of Stock T. Stock S will return 13 percent if the economy booms and 8 percent if it is normal. Stock T will return 6 percent in a boom and 10 percent in a normal economy. The probability of a boom is 50 percent. What is the portfolio variance?

Aproject currently generates sales of $14 million, variable costs equal 50% of sales, and fixed costs are $2.8 million. the firm’s tax rate is 40%. assume all sales and expenses are cash items. (a). what are the effects on cash flow, if sales increase from $14 million to $15.4 million? (input the amount as positive value. enter your answer in dollars not in (b) what are the effects on cash flow, if variable costs increase to 60% of sales? (input the amount as positive value. enter your answers in dollars not in millions). cash flow (increase or decrease) by $