Question 4 2 pts In 2020, Luke and Sandra are married and file a joint tax return. They have two dependent children, ages 11 and 15. Their AGI is $407,500. Since 2016, Luke and Sandra have been taking care of Luke's elderly father Walter (age 79) for whom they provide more than half of support. How much child and dependent tax credit can Sandra and Luke take on their 2020 joint tax return? O $4.400 $4,100 O $4,500 O $4,000