If sam contributes $5,000 a year to his ira, how can he expect the ira to provide him with a $30,000 annual income after retirement?
a)the tax advantages of iras increase the value of contributions.
b)he will be contributing five times as long as he will be retired.
c)exponential returns should increase his contributions.
d)the government guarantees a retirement income for iras.

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.