Suppose that marginal income tax rates are as follows: income level marginal tax rate $0–$10,000 10% $10,000–$50,000 20% greater than $50,000 35% also suppose that the taxes for social security and medicare together are 7.65%, and that they are applied to income up to $100,000. if your income is $123,000, what is your total income tax bill and how much will you have paid in social security and medicare taxes? total income tax: $ social security and medicare taxes: $