Consider boeing (a producer of jet aircraft), general mills (a producer of breakfast cereals), and wacky jack's (which claims to be the largest u. s. provider of singing telegrams). for which of these firms is the long run the longest period of time? for which is the long run the shortest? explain.

Gemini inc.'s optimal cash transfer amount, using the baumol model, is $60,000. the firm's fixed cost per cash transfer of marketable securities to cash is $180, and the total cash needed for transactions annually is $960,000. on what opportunity cost of holding cash was this analysis based?

At cooly cola, we are testing the appeal of our new diet one cola. in a taste test of 250 randomly chosen cola drinkers, 200 consumers preferred diet one cola to the leading brand. assuming that the sample were large enough, the large-sample 95% confidence interval for the population proportion of cola drinkers that prefer diet one cola would be:

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.