a) Peggy has recently heard about the short squeeze phenomenon happening withGameStop, AMC, and Nokia. She decides to invest $1,000 into Nokia. The returnsare extremely volatile. She could quadruple her initial investment with probability0.1, double her initial investment with probability 0.3, lose half her investment withprobability 0.4, or lose 90% of her investment. What is her expected return

You are the manager of the packaging department in a cookie factory. (obviously, the packaging employees cannot eat the cookies that are transferred in during the period.) after your employees insert cookies into colorful packages (step 1) for display on store shelves, the packages of cookies are then boxed using cardboard cartons (step 2) for shipment to stores. each unit of product is represented by a carton of packaged cookies. the packaging department began the period with 1,000 units of cookies. during the period, 5,000 units of cookies were transferred in from the baking department and 5,500 units of cookies were transferred out to the finished goods department. the number of units of cookies in the ending inventory of the packaging department equals: