Which of the following is true about duration and modified duration? I. The Macaulay duration calculates the weighted average time before a bondholder would receive the bond's cash flows.
II. Modified duration measures price sensitivity of a bond to changes in YTM by adjusting duration with a factor based on current yield.
III. The value of duration and modified duration are usually very close, but duration is almost always a larger number.

a. Only I and II are true.
b. All but IV are true.
c. Only II and III are true.
d. All are true.

Jameson manages a well-known cell phone company. this company has been voted as having the best cell-phone service. consumers appreciate the fact that they can call from almost anywhere in the world and the service still gets through. jameson knows that the company's product far surpasses that of the competition. one thing has been bothering him, though. in order to put so many resources into ensuring the best service, jameson has cut back on employees at the firm's customer call center. recently, consumers have begun complaining about long wait times when they call in with a problem or concern. although its cell phone service is still considered one of the best, customer satisfaction with the firm's customer service has plummeted. jameson does not understand why consumers are getting so upset. he believes the exceptional cell phone service more than makes up for long waiting periods and other issues with its customer service. "after all," he says, "they can't have it all. if i invest more in customer service, that means less investment on ensuring the quality of our product offering."refer to scenario. jameson has asked you, a marketing consultant, to give him advice. he cannot understand how a cell-phone company with the best product offering in the cell-phone service industry could get such low satisfaction ratings simply because the customer service is not up to par. you suggest that jameson has a narrowly defined view of the company's product offering. you tell jameson that successful marketers should define their products as what they

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Depasquale corporation is working on its direct labor budget for the next two months. each unit of output requires 0.61 direct labor-hours. the direct labor rate is $8.70 per direct labor-hour. the production budget calls for producing 6,700 units in may and 7,100 units in june. if the direct labor work force is fully adjusted to the total direct labor-hours needed each month, what would be the total combined direct labor cost for the two months?