2. Simon, age 11, generates $4,800 interest income and no earned income for 2018. He incurs no investment expenses. Determine the following: a. Simon's net unearned income. 4800-2100- $2700 b. Simon's total Federal income tax liability (figure the tax due)l 3. Using the 2018 tax tables, calculate the tax due in the following independent situations awlobn, a single person, has a taxable income of $180,000. b Kokie and Wyatt, a married couple filing jointly, have a taxable income of $180,000. $87,000 C Amber, a single mom with two dependent children, has a taxable income of 4. Based upon your answers in question 3, state the marginal and effective tax rate for each taxpayer