Developer's DescriptionBy General ProgrammingMake paycheck calculations on your PC.PayBreeze calculate paycheck for any of the 50 states, plus DC and Puerto Rico, including local taxes. Do gross-ups, what-ifs, 401(k) analysis, W4 assistance, and check the accuracy of other payroll systems, along with more complex tasks like combining gross-ups with a regular check or doing 'marginal rate' calculations.