As the Senate advances on its tax-cut bill while House Republicans have passed their version, MarketWatch has the calculator to show how the bills would potentially impact your finances. The legislation, called the Tax Cuts and Jobs Act, cuts individual tax rates and slashes corporate taxes, among other things. But not everyone’s a winner. The mortgage-interest deduction is limited, and state and local income tax deductions are zapped in both the House and Senate plan. The plan from the upper chamber also eliminates the state and local property tax deduction. The calculator includes the new rates and child-tax credit unveiled...