Suppose the income tax rate is 0% on the first $10,000;10% on the next $20,000;20% on the next $20,000;30% on the next $20,000;and 40% on any income over $70,000.Family A earns $28,000 a year and Family B earns $65,000 a year.Both receive a ten percent raise,after which A's marginal tax rate is ________% and B's marginal tax rate is ________%.

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The Answer of Suppose the income tax rate is 0% on the first $10,000;10% on the next $20,000;20% on the next $20,000;30% on the next $20,000;and 40% on any income over $70,000.Family A earns $28,000 a year and Family B earns $65,000 a year.Both receive a ten percent raise,after which A's marginal tax rate is ________% and B's marginal tax rate is ________%.

Suppose the Income Tax Rate Is 0% on the First