What are real life situations of marketing concepts, as well as a definition.

The retained earnings account has a credit balance of $24,650 before closing entries are made. if total revenues for the period are $77,700, total expenses are $56,900, and dividends are $13,050, what is the ending balance in the retained earnings account after all closing entries are made?

How did the change in textile production affect employment in spinning and weaving for adults and children?

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?