Emily, who lives in Indiana, volunteered to travel to Louisiana in March to work on a home-building project for Habitat for Humanity (a qualified charitable organization). She was in Louisiana for three weeks. She normally makes $500 per week as a carpenter's assistant and plans to deduct $1,500 as a charitable contribution. In addition, she incurred the following costs in connection with the trip: $600 for transportation, $1,200 for lodging, and $400 for meals. What is Emily's deduction associated with this charitable activity?
a) $600.
b) $1,200.
c) $1,800.
d) $2,200.
e) $3,700.