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9. Cathy has a small retail business in a busy mall. During the holiday season her inventory grows significantly and she simply doesn't have the storage space at her store. As a result, she has decided to have the product shipped to her home where she will temporarily store the items she will replenish her stock with over the season. In this case, what is Cathy's implicit cost? 10. Imagine you are preparing for your final exams. What is the term used for "the law" that implies the more hours you spend studying per day, the less you will learn with each added hour? 11. Comparing variable costs versus fixed costs, what is the type of cost to categorize the property insurance premiums? 12. A purely competitive firm maximizes its profits when it produces an output at which the difference between and is greatest. 13.A firm is maximizing its profit provided that equals 14. The kinked demand curve model explains price rigidity in what type of Industries? 15. The demand curve of a firm in monopolistic competition Is identical to its curve