N the circular flow of expenditure and income, why must the total value of production in an economy equal the total value of income? A. Taxes on the production of goods and services are determined according to individual income. B. Domestic expenditures on imports generally equal foreign expenditures on U. S. exports. C. Every penny spent on a good or service must end up as someone's income. D. People tend to spend all of their income on goods and services.

Your sister turned 35 today, and she is planning to save $60,000 per year for retirement, with the first deposit to be made one year from today. she will invest in a mutual fund that's expected to provide a return of 7.5% per year. she plans to retire 30 years from today, when she turns 65, and she expects to live for 25 years after retirement, to age 90. under these assumptions, how much can she spend each year after she retires? her first withdrawal will be made at the end of her first retirement year.