The two issues that I have are with chapter 6 and chapter 5. The first issue is about deciding what option is a better choice when considering the scalability of businesses. I understand calculating the target income and the brake even algebra, but a looking from an actual standpoint of deciding between two or more company that has a similar output and time that it become brake even, how to find what option is better. The two issues that I have are with chapter 6 and chapter 5. The first issue is about deciding what option is a better choice when considering the scalability of businesses. I understand calculating the target income and the brake even algebra, but a looking from an actual standpoint of deciding between two or more company that has a similar output and time that it become brake even, how to find what option is better