Suppose you are asked to find the value at risk for a stock in the supply chain. The total dollar value of the stock is equal to 1500 USD, its standard devation is 0.10, holding period is equal to 2 days. Find the value at risk for 95 percent confidence interval (20 P.) 2) Weekly demand for shoes at a Filo store is normally distributed with a mean of 1500 shoes and a standard deviation of 300. The replenishment lead time is 4 weeks, and periodic review time is 12 weeks. Evaluate safety inventory that the store should carry to achieve a cycle service level of 99 percent for continuous and period review process (20 p.) 3) What are the causes of the risk? (30p.) 4) What is Milk Run? What is the benefit of Milk Runs in delivering goods? Please also consider the transportation cost