Delia Mertz is an unmarried person who is 75 years old. She has the following income during 2020: Fully taxable pension Interest from First Bank Social Security Benefits $20,000 $2.000 $14.000 What is the taxable amount of her social security benefits? 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/