Quinn, who is single and lives alone, is physically handicapped as a result of a diving accident. In order 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 percentage of AGI limitation, how much of the above expenditures qualify as medical expense deductions?
a. $11,680
b. $30,680
c. $30,880
d. $34,880
e. None of these