XYZ Music Store sells new CDs, n, for $15.75, and used CDs, u, for $7.25. The
store earned $876 revenue last month. The store sold 26 more used CDs than
new CDs. Which system of equations represents this scenario?

A. 7.25n+ 15.75u = 876; U = n-26

B. 15.75n+ 7.25u = 876; u= n- 26

C. 15.75n + 7.25u = 876; U = 1 + 26

D. 7.25n+ 15.75u = 876; U = n + 26

Which of the following is an example of a production quota? a. the government sets an upper limit on the quantity that each dairy farmer can produce. b. the government sets a price floor in the market for dairy products. c. the government sets a lower limit on the quantity that each dairy farmer can produce. d. the government guarantees to buy a specified quantity of dairy products from farmers.

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?

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