John files a return as a single taxpayer. In 2020, he had the following items: Salary of $40,000 Loss of $65,000 on the sale of $ 1244 stock acquired two years ago. Interest income of $6,000. Determine John's AGI for 2020. a. ($5,000). b. $0. c. $45,000. d. $51,000. In 2020, Mary reported the following items: $30,000 10,000 Salary Personal use casualty gain Personal use casualty loss (after $100 floor) Other itemized deductions 17,000 4,000 Assuming that Mary files as head of household (has one dependent child), determine her taxable income for 2020. a. $11,350 b. $12,800 c. $13,900 O d. $21,900