Mrs. Singer owns a profitable sole proprietorship. For each of the following cases, use Schedule SE, Form 1040 , to compute her 2021 self-employment tax and her income tax deduction for such tax. Required: a. Compute 2021 self-employment tax and the income tax deduction for such tax if Mrs. Singer's net profit from Schedule C was $51,458. She had no other earned income. Compute 2021 self-employment tax and the income tax deduction for such tax if Mrs. Singer's net profit from Schedule C was $51,458. She had no other earned income. Note: Do not round intermediate calculations. Round your final answers to the nearest whole dollar value. Input all the values as po numbers