Trong năm 2020, tổng sản phẩm quốc nội của Mỹ là 15 tỷ usd và tổng sản phẩm quốc nội GDP danh nghĩa của Trung Quốc là

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.