eBook Calculator Problem 9-25 (Algorithmic) (LO. 4, 5) David and Ruby are engaged and plan to get married. During 2020, David is a full-time student and earns $7,600 from a part- time job. With this income, student loans, savings, and nontaxable scholarships, he is self-supporting. For the year, Ruby is employed and has wages of $66,000. Click here to access the standard deduction table to use. Click here to access the Tax Rate Schedules. If an amount is zero, enter, "O". Do not round your intermediate computations. Round your final answer to nearest whole dollar. a. Compute the following: David Filing Single Ruby Filing Single Gross income and AGI 7,600 66,000 12,400 12,400 Standard deduction o 53,600 Taxable income 0 Income tax b. Assume that David and Ruby get married in 2020 and file a joint return. What is their taxable income and income tax? Round your final answer to nearest whole dollar. Married Previous eBook Calculator Gross income and AGI 7,600 66,000 Standard deduction 12,400 12,400 Taxable income 0 $ 53,600 Income tax 0 b. Assume that David and Ruby get married in 2020 and nle a joint return. What is their taxable income and income tax? Round your final answer to nearest whole dollar. Married Filing Jointly