Answer this question and the next question according to the following statement Suppose you are responsible for purchasing decisions in one of Walmart Supercenters. The 4th of July is coming up, and you want to decide how many t-shirts to purchase with the independence theme to be sold during the independence week. Your supplier sells each tshirt at the wholesale price of 4$, and you will be selling to customers at $10 each. After the independence day, the unsold tshirts are donated (for free) to a nonprofit organization. The sales data from previous years independence week allows you to estimate the demand distribution as the following: INDEPENDENCE WEEK DEMAND PROBABILITY 100 200 300 400 600 700 800 900 500 DEMAND How many t-shirts you should order to maximize your profit