Garrett Gibbons is an unmarried person who is 74 years old. He has the following income during 2020: Fully taxable pension $27.000 Interest from First Bank $2.000 Taxable portion of Social Security Benefits in other words, don't $7.900 calculate this!) He has no Adjustments to Income and his itemized deductions are $4,500. What is Garrett's Income Tax Liability for 2020? USE THE TAX RATE SCHEDULES APPEARING IN APPENDIX A. DO NOT USE COMMAS OR DOLLAR SIGNS IN YOUR ANSWER!! IF YOU GET A DECIMAL AMOUNT IN YOUR FINAL ANSWER, ROUND UP THE ANSWER TO THE NEXT WHOLE DOLLAR AMOUNT. A/