You purchased 100 shares of MegaCorp for $17 per share four months ago. The brokerage fee was 4% of the total dollar amount of the purchase. Today you sold the shares for $23.50 per share. Brokerage fees were 4% of the total sale value. If you are in the .28 marginal tax bracket, how much tax do you owe on the capital gain? (Hint: since this is a short term investment [less than one year], you will utilize the marginal tax bracket of .28 instead of using the .15 [which is for long term capital gains and dividends.)

Total marketing effort is a term used to describe the critical decision factors that affect demand: price, advertising, distribution, and product quality. define the variable x to represent total marketing effort. a typical model that is used to predict demand as a function of total marketing effort is based on the power function: d = axb suppose that a is a positive number. different model forms result from varying the constant b. sketch the graphs of this model for b = 0, b = 1, 0< b< 1, b< 0, and b> 1. (we encourage you to use excel to do this.) what does each model tell you about the relationship between demand and marketing effort? what assumptions are implied? are they reasonable? how would you go about selecting the appropriate model?