A. Consider the following returns and states of the economy for Neptune Corporation Economy Probability Return Weak 20% -5% Normal 20% 10% Strong 60% 21% What is the standard deviation of the firm's returns?

B. Corporation has fixed costs of $126,712. The firm's sales are expected to be $2,789,084 this year if the firm sells 48,085 units. Variable costs amount to 55 percent of sales. What is the breakeven point in units?