Julia and Glenda Garza have two children in college and a third who is taking graduate courses while working. One of the children in college is a senior and the other is a freshman. The cost of college is $12,000 annually, and the cost of the tuition for the graduate courses is $10.000. The Garzas pay half of the graduate school tuition and the child pays half from his earnings. The Garzas have an adjusted gross income of $100.000, and their Fling status is married filing jointly. All three children live at home and are supported by their parents. What is the maximum amount of Lifetime Learning Credits Julio and Glenda Garza can receive on their income tax return this year? a $1,000 b. $2,000 c. $3,000 d. $6,000