please explain.

TAXATIONI Problems - Itemized Deductions MEDICAL: 4,000 (a) Determine the amount of medical expenses allowable as an itemized deduction after limitations. John (age 52) and Mary (age 49) have adjusted gross income in 2021 totaling $200,000. Neither John nor Mary is self employed. Their medical type expenses in 2021 are as follows: Blue Cross Premiums (policy covers 80% of certain medical costs) Accident Policy Premiums (policy pays $100/day for any day policyholder is hospitalized) 500 Accident Policy Premium (pays a fixed amount for loss of hand/fingers etc) 100 Disability Policy premium (pays $100/day if policyholder becomes disabled) 1,000 Qualified Long Term Care Premium each has a policy) 1,550/900 Prescription drugs 484 Over the counter drugs (Aspirin, cough medicine etc.) 600 Doctors and dentists (not covered by insurance 800 Hospital emergency room (not covered by insurance) 1,000 Cost of Mary's "facelift" (not covered by insurance) 1,500 John's eyeglasses 500 Mary's contact lenses 300 Ambulance 200 Wheelchair rental 100 Mileage driven for doctor appointments 100 miles Parking for doctor visits 200 In addition, Mary's mother Kate resides with them. John and Mary provide over half of Kate's support. Kate's only income is $4,500 interest income and $6,000 social security income. During 2021 John and Mary paid the following medical expenses for Kate: 1 $ xxx 4,800 200 Hearing aids Hearing aid batteries Installation of an elevator in their home since Kate can no longer walk the stairs Cost of elevator/installation $ 12,000 Increase in Fair Market Value of the house due to elevator $2,000 REQUIRED: Calculate the MAXIMUM allowable itemized medical deduction AFTER LIMITATIONS for 2021. ALSO, CHECK ANY ITEMS INCLUDED IN YOUR CALCULATION