Lonnie developed severe arthritis and was unable to climb the stairs to reach his second-floor bedroom. His physician advised him to add a first-floor bedroom to his home. The cost of constructing the room was $28,000. The increase in the value of the residence as a result of the room addition was determined to be $12,000. In addition, Lonnie paid the contractor $5,000 to construct an entrance ramp to his home and $7,000 to widen the hallways to accommodate his wheelchair. Lonnie's AGI for the year was $80,000. How much of these expenditures can Lonnie deduct as a medical expense?
a) $10,000.
b) $16,000.
c) $22,000.
d) $40,000.