The following table shows Bob's Bookstore's estimated demand for a new calendar. The bookstore needs to decide whether to order 100, 200, or 300 calendars for the start of the year. Each calendar costs the store $6 to purchase and can be sold for $14. The store can sell any unsold calendars back to the supplier for $2 each. Determine the number of calendars the bookstore should order to maximize its expected profit.
Demand Probability
100 .25
200 .40
300 .35