 Boonstra would save at least $1,000 a year under the ACA, according to "The Detroit News".AFP aired another television advertisement in which Boonstra said Peters was trying to silence her.AFP apologized for another television advertisement that criticized the ACA and Democratic Senator Mark Udall, a candidate for reelection, using images of a somber Obama and Udall from their visit to Aurora, Colorado, in the wake of the mass shooting there.