Abusiness owner is looking at sales records for the last 10 years. in 2009, he calculated his net profit was $75,000 for the year. in 1999, he did not make a profit, instead making a net loss of $5,000. find the rate of change of his profit from 1999 to 2009

Perry angelo is planning to open a restaurant. he has the resources to produce and sell either hamburgers or pizzas. so he does some research and finds that the new location has a good demand for pizza. he hires cooks, wait staff, and an accounts person for his new pizzeria. he also arranges for materials such as pizza ingredients and pizza boxes. determine three factors affecting perry's cost of making pizza. write down the name of the factors and their instances in this scenario.