Shipping cost at Junk Food Imports is a mixed cost with variable and fixed components. Past records indicate total shipping cost was $18,000 for 16,000 pounds shipped and $22,500 for 22,000 pounds shipped. Assuming that this activity is within the relevant range, if the company plans to ship 18,000 pounds next month, the expected shipping cost is:

Brian has just finished college. he wants to set up a small business to make and sell fireworks. he registers his company and acquires a license from the government. he finds that most of his competitors are selling fireworks at an extremely low price. he would like to make more money, so he decides to innovate and develop better fireworks. he sells his fireworks at a higher price, and they are a huge hit with the customers. after a few years, he earns enough profit to set up a bigger fireworks factory that complies with the government’s health and safety regulations. he even starts exporting fireworks overseas. which type of economy does this scenario describe?