9) Period costs consist of: 2 Points Direct Materials Selling and administrative expenses Direct Labor Would each of the following be classified as a product or period cost? 10) Advertising expenses 1 Point O Product O Period 11) Salary of production supervisors 1 Point O Product O Period 12) The cost of fabric used to make shirts in a shirt factory 1 Point Product Period 13) A manufacturing business has three types of inventory: Materials Inventory and Finished Goods Inventory 2 Points Unused Inventory O Work in Process Inventory O Direct Inventory