Aquaman Stock has exhibited a standard deviation in share returns of 0. 7, whereas Green Lantern Stock has exhibited a standard deviation of 0. 8. The correlation coefficient between the share returns is 0. 1. What is the standard deviation of a portfolio composed of 70 per cent Aquaman and 30 per cent Green Lantern? Show your working and round your final answer to four decimal places.

Baldwin has negotiated a new labor contract for the next round that will affect the cost for their product bold. labor costs will go from $7.91 to $8.41 per unit. in addition, their material costs have fallen from $13.66 to $12.66. assume all period costs as reported on baldwin's income statement remain the same. if baldwin were to pass on half the new costs of labor and half the savings in materials to customers by adjusting the price of their product, how many units of product bold would need to be sold next round to break even on the product?

Annuity payments are assumed to come at the end of each payment period (termed an ordinary annuity). however, an exception occurs when the annuity payments come at the beginning of each period (termed an annuity due). what is the future value of a 13-year annuity of $2,800 per period where payments come at the beginning of each period? the interest rate is 9 percent. use appendix c for an approximate answer, but calculate your final answer using the formula and financial calculator methods. to find the future value of an annuity due when using the appendix tables, add 1 to n and subtract 1 from the tabular value. for example, to find the future value of a $100 payment at the beginning of each period for five periods at 10 percent, go to appendix c for n = 6 and i = 10 percent. look up the value of 7.716 and subtract 1 from it for an answer of 6.716 or $671.60 ($100 × 6.716)

You are president of a large corporation. at a typical monthly meeting, each of your vice presidents gives standard area reports. in the past, these reports have been good, and the vps seem satisfied about their work. based on situational approach to leadership, which leadership style should you exhibit at the next meeting?