In 2022, Paul and Karen Mitchell pay $12,000 for their daughters tuition for the Spring and Fall semesters. Their daughter is a full-time graduate student. The Mitchells also paid $3,800 for their sons tuition for the Spring and Fall semesters. In the Fall of 2022, their son, Ron began his sophomore year of college. The son attends college full-time. a.Compute the Mitchells 2022 education tax credit if their AGI is $124,600. How much of their credit is refundable versus