The grand champion steer shown by Mercer Choice 4-H member Taylor Heyne, daughter of Glenn Heyne, sold Thursday at the Mercer County Fair for $4,300 to a group including Helena Chemical Co., Maharg Trash, Shinn Brothers, C-Town Wings, Kleinhenz Brothers Livestock, Blue Ribbon Feed Mill, Overman Trucking, Susan Manchester, Kahlig Brothers Pumping, C&M Farms, Mark Siefring, Seth and Amanda Kohnen, Padua Farms Inc. and Dairyland Seed.