estion 31 1 points Cindy and Dean Smith are married and file a joint return. Cindy earned her regular nurse salary of $40,000 and $15,000 in overtime pay. Dean earned $8,000 as a house painter and received 1.200 in tips. In addition, they earned $2,000 of long-term capital gains, $2,000 in short-term capital gains, $500 in qualified dividend income, and $85 in interest income. What is the Smith's marginal tax rate on additional earnings if they earned an addition $100 In long-term capital gains? O 0% O 10% 15% 20% None of the above