Below represents the 2021 federal income tax brackets for Single Filers and for Married Filers. filing jointly, based on the taxable income made for that year. 2021 Tax Brackets for Single Filers and Married couples Filing Jointly Tax Rate Taxable income (Single) Taxable income (Married Filing Jointly) 10% Up to $19,900 Up to $9.950 to S9,951 to $40,525 12% $19,901 to $81,050 22% $40,526 to $86,375 $81,061 to $172,750 24% $86,376 to $164,925 $172,751 to $329,850 Q2.1 Part a) 3 Points Using the 2021 federal income tax brackets provided in question 2, determine a linear piecewise function that models the federal income tax owed, in dollars, for Single Filers, as a function of taxable income, in dollars. Define all variables. Use proper piecewise function notation