When external costs are present, Group of answer choices democratic political decision-making can be counted on to improve the efficiency of resource allocation. market allocation will achieve idealized economic efficiency. the conditions implied by idealized efficient allocation of resources will be absent, but it does not follow that political action will improve the situation. democratic political decision-making will never be able to improve the efficiency of resource allocation.

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.