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Question 1(2+2+2+2+2=10 points ) - Discrete demand for newsvendor model Holiday Gift shop places orders for Christmas items during a trade show in July. One item to be ordered is a dated sterling silver tree omament. The ornaments cost $65 when ordered in July. The ornament will sell for $100. Ornaments unsold by Christmas are marked down to half retail price and always sell during January. The best estimate for demand is: a) What is the mean demand? (Hint. sum up all xPr(Dx).) b) What is the newsyendor critical ratio? c) What is the optimal number of omament Q to order? d) What is the expected number of omaments vold per day if we use the optimal quantity Q obtained in (c)? e) What is the expected profit if we use the optimal quantity Q obtained in (c)