4. The company that you manage has invested 5 million baht in developing a new product, but the development is not quite finished. At a recent meeting, your salespeople report that the introduction of competing product has reduced the expected sales of your new product to 3 million baht. If it would cost 1 million baht to finish development and make the product, should you go ahead and do so? What is the most that you should pay to complete development?