Required information [The following informotion opplies to the questions disployed below.] Demarco and Janine Jackson have been married for 20 years and have four children (no children under age 6 at yearend) who qualify ss their dependents (Domarcus, Jusmine, Michsel, and Candice). The couple received salary income of $105,000 and qualified business income of $10,000 from an investment in a porthership, and they sold their home this year. They initially purchased the home three years ago for $200,000, and they sold it for $250,000. The gain on the sale qualified for the exclusion from the sale of a principal residence. The Jacksons incurred $16,500 of itemized deductions (no charitsble contributions), and they had $4,000 withheld from their poychecks for federal toxes. They are also allowed to claim a child tox credit for each of their children. However, because Candice was 18 years of age at year end, the Jacksons may claim a child tox credit for other qualifying dependents for Candice. (Use the tax rate schedules.) a. What is the Jacksons' toxable income, and what is their tox lisbility or (refund)