A taxpayer is placing a solar panel into service for their primary hom. The parts and labor cost $35,000. Additionally, the taxpayer needed an extension built onto their roof, costing $10,000, in order to have the proper support for the solar panels. What is the potential mzximum amount of the credit that they can receive for this on the form 5695?

a. $3,200

b. $10,500

c. $13,500

d. $3,000