Mr. Ali's salary was $397,000, and Ms. Ali's salary was $344,000. They had no other income items, no above-the-line or itemized deductions, and no dependents. Assume the taxable year is 2022. Use Individual Tax Rate Schedules and Standard Deduction Table. Required: a. Compute their tax on a joint return. b. Compute their combined tax if they file separate returns (married filing separately). c. Compute their marriage penalty (excess of tax on a joint return over combined tax on two returns filed as single taxpayers). Complete this question by entering your answers in the tabs below. Compute their tax on a joint return. Note: Round your answer to the nearest whole dollar amount