Ralston Company has operating income of $75,000, invested assets of $360,000, and sales of $790,000. Required: Use the DuPont formula to compute the return on investment (ROI), and show (a) the profit margin, (b) the investment turnover, and (c) the return on investment. Round the profit margin percentage to two decimal places, the investment turnover to three decimal places, and the return on investment to two decimal places.

Consider the following information on stocks a, b, c and their returns (in decimals) in each state: state prob. of state a b c boom 20% 0.27 0.22 0.16 good 45% 0.16 0.09 0.07 poor 25% 0.03 0 0.03 bust 10% -0.08 -0.04 -0.02 if your portfolio is invested 25% in a, 40% in b, and 35% in c, what is the standard deviation of the portfolio in percent? answer to two decimals, carry intermediate calcs. to at least four decimals.

Six years ago, an 80-kw diesel electric set cost $160,000. the cost index for this class of equipment six years ago was 187 and is now 194. the cost-capacity factor is 0.6. the plant engineering staff is considering a 120-kw unit of the same general design to power a small isolated plant. assume we want to add a precompressor, which (when isolated and estimated separately) currently costs $13291. determine the total cost of the 120-kw unit. (hint: skip $ and comma symbols)

Walking through the grocery store, ramon sees a "buy 2, get 1 free" deal on laundry detergent. even though he currently has plenty of detergent he decides to take home all three bottles. ramon's decision seems to have been based mostly on his immediate need for the detergent the low price of alternative brands the limited income he presently earns the sale price offered for the detergent