Lester and Charmaine live in Clearwater, FL 33755, with their two dependent children, which makes a family size of four. Florida does not have a state income tax. The couple had AGI of $79,337 and interest income from a tax-exempt municipal bond of $2,190. Using the IRS sales tax deduction calculator tool for income between $80,000 and $90,000 with a family size of four and their zip code, you can calculate the itemized general sales tax deduction available to Lester and Charmaine.