5 A/ Question 9 (1 point) Jack and Joan Barnes are 67 and 63 years old respectively. Joan works part-time job and earned $12,000. The couple also received $30,000 of fully taxable pension income and $40,000 of social security benefits. What is the taxable amount of the couple's social security benefits? DO NOT USE COMMAS OR DOLLAR SIGNS IN YOUR ANSWER!! Question 10 (1 point) A Consider once again the facts of the previous question for Jack and Joan Barnes. Jack and Joan Barnes are 67 and 63 years old respectively. Joan works part-time job and earned $12,000. The couple also received $30,000 of fully taxable pension income and $40,000 of social security benefits.