5. garden variety flower shop uses 750 clay pots a month. the pots are purchased at $2 each. annual carrying costs per pot are estimated to be 30 percent of cost, and ordering costs are $20 per order. the manager has been using an order size of 1,500 flower pots. a. what additional annual cost is the shop incurring by staying with this order size? b. other than cost savings, what benefit would using the optimal order quantity yield?

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%.