Preston and Anna are engaged and plan to get married. During $2023,$Preston is a full$-$time student and earns $$5,800$from a part$-$time job. With this income, student loans, savings, and nontaxable scholarships, he is self$-$supporting. For the year, Anna is employed and has wages of $$66,000.$Click here to access the $2023$standard deduction table to use. Click here to access the $2023$Tax Rate Schedules. If an amount is zero, enter, $"0".$Do not round your intermediate computations. Round your final answer to the nearest whole dollar.a$.$ Compute the following:$$PrestonFiling Single$$AnnaFiling SingleGross income and AGI$$$$Standard deduction $($single$)$Taxable income$$$$Income tax$$$$Question Content Areab. $$ Assume that Preston and Anna get married in $2023$and file a joint return. What is their taxable income and income tax? Round your final answer to the nearest whole dollar.$$MarriedFiling JointlyGross income and AGI$$$Standard deduction $($married$,$filing jointly$)$Taxable income$$$Income tax$$$c$.$ How much income tax can Preston and Anna save if they get married in $2023$and file a joint return