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The manager of the greeting card section of Mazey's department store is considering her order for a particular line of Christmas Cards. The cost of each box of cards is 3.00; each box will be sold for 5.00 during the Christmas season. After Christmas, the cards will be sold for 2.00 a box. The card section manager believes that all leftover cards can be sold at the prices. The estimated demand during the Christmas season for the line of Christmas cards, with associated probabilities is as follows:
Demand (boxes) Probability
25 .10
26 .15
27 .30
28 .20
29 .15
30 .10
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