Dave collins and Christie Collins have two children, Ben age 14, and Cody, age 20. The medical expenses and net income for each member of the family for 2022 is as follows: Medical expenses net income Aras $2,000 $100,000 Kelly 3,000 $40,000 Ben 600 500 Cody 12,000 9,000 All of the medical expenses were paid by Arad in the 12-month period ending December 31. Determine the maximum medical expense credit for 2022