In 2000 , Ms. Ennis, a head of household, contributed $46,000 in exchange for 460 shares of Seta stock. Seta is a qualified small business. This year, Ms. Ennis sold all 460 shares for $90,000. Her only other investment income was an $7,900 long-term capital gain from the sale of land. Her taxable income before consideration of her two capital transactions is $557,000. Assume the taxable year is 2022 . Use Individual tax rate schedules and Tax rates for capital gains and qualified dividends. Required: a. Compute Ms. Ennis's income tax and Medicare contribution tax for the year. b. How would the computation change if Ms. Ennis acquired the Seta stock in 2011 instead of 2000 ? c. How would the computation change if Ms. Ennis acquired the Seta stock in 2019 instead of 2000