Innovyx is an e-mail marketing service provider. It has a new ad campaign aimed at changing negative perceptions of e-mail. The ads explain how much cheaper e-mail advertising is than traditional advertising and what a high return on investment it can generate if used properly. Finally, the message ends by suggesting that companies who want to promote their products give e-mail a chance to show them what it can do. This promotion has the task of:

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: