- d. $68,000 in 2021; 50 in 14. Quinn, who is single and lives alone, is physically disabled as a result of a diving accident. To live independently, he modifies his personal residence at a cost of $30,000. The modifications included widening halls and doorways for a wheelchair, installing support bars in the bathroom and kitchen, installing a stairway lift, and rewiring so he could reach electrical outlets and appliances. Quinn pays $200 for an appraisal that places the value of the residence at $129,000 before the improvements and $140,000 after. As a result of the operation of the stairway lift, Quinn experienced an increase of $680 in his utility bills for the current year. Disregarding the AGI floor for medical expenses, how much of these expenditures qualify as medical expense deductions? a. $30,880 b. $30,680 c. $11,680 d. $34,880