1:2-41 Marriage and Taxes. Bill and Mary plan to marry in December 2020. Bill's salary is $105,000 and he owns his residence. His itemized deductions total $19,000. Mary's. salary is $86,000. Her itemized deductions total only $8,100 as she does not own her residence. a. What will their 2020 tax be if they marry before year-end and file a joint return? b. What will their combined 2020 taxes be if they delay the marriage until 2021? c. What factors contribute to the difference in taxes