Oscar and Mary have no dependents and file a joint income tax return for 2020. They have adjusted gross income (all wages) of $140,000 and itemized deductions of $30,000. What is the amount of taxable income that Oscar and Mary must report on their 2020 income tax retur? Oa. $115,200 Ob. $102,000 Oc. $110,000 Od. $93,600 Oe. $140,000