can someone help me

Samuel, a 36-year-old individual who has been physically handicapped for a year, paid $15,000 for the installation of wheelchair ramps, support bars, railings, and widening doorways in his personal residence. These improvements increased the value of his personal residence by $4,000. REQUIRED- How much of Samuel's expenditures qualify as a medical expense deduction (subject to the 7.5%-of-AGI floor) AND then Explain your