Charlotte (age 40) is a surviving spouse and provides all of the support of her four minor children who live with her. She also maintains the household in which her parents live and furnished 60% of their support. Besides interest on City of Miami bonds in the amount of $5,500, Charlotte's father received $2,400 from a part-time job. Charlotte has a salary of $80,000, a short-term capital loss of $2,000, a cash prize of $4,000 from a church raffle, and itemized deductions of $10,500. Using the Tax Rate Schedules, compute Charlotte's 2018 tax liability.