Answer:
d. affects people's willingness to work save, and invest.
Explanation:
Marginal tax rate by definition is the rate of tax charged when an individual makes an additional dollar of income. If workers are charged higher tax rates , they are more likely to work less, to not look for higher paying jobs or not work at all than if they faced lower rates. A lower tax rate may be a good idea for policymakers but it could eliminate assistance given to poor families and individuals. Therefore each option has a tradeoff.
