Question 1(2+2+2+2+2=10 points) - Discrete demand for newsvendor model A fashion boutique wants to order dresses for a new collection in June. The dresses will sell for $200 each. The best estimate for demand is: The dress costs $130 when ordered in June. Dresses unsold by Christmas are marked down to half retail price and always sell during January. a) What is the mean demand? (Hint: sum up all xPr(D=x).) b) What is the newsvendor critical ratio? c) What is the optimal number of dresses Q to order? d) What is the expected number of dresses sold before Xmas 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)