In 2017, Marcus, single, received municipal bond (state or local government bond) interest of $100,000 and Social Security benefits of $24,000. Which of the following is most accurate? A. Marcus will not be taxed on his Social Security benefits because it is below the $25,000 base amount B. Marcus will not be taxed on his Social Security benefits because the municipal bond interest C. D. E. is excluded from income and Marcus' AGI is SO Marcus will be taxed on up to 50% of his Social Security benefits because his combined income is between $25,000 and $34,000 Marcus will be taxed on up to 85% of his Social Security benefits because his combined income is $112,000 Marcus will be taxed on 100% of his Social Security benefits