Final answer:
Economics contributes to the growth of wealth and prosperity.
Step-by-step explanation:
Economics is concerned with the well-being of all people, including those with jobs and those without jobs, as well as those with high incomes and those with low incomes. It explores questions like how investing in education helps to develop workers' skills and how government spending, taxes, and regulations affect production and consumption decisions. Therefore, option b) Economics contributes to the growth of wealth and prosperity is the correct interpretation of the phrase.