Store abc sells 8 lbs. of oranges for $6.00. store xyz sells 14 lbs. or oranges for $11.20. which store is less expensive, and by how much per pound? 1. abc is less expensive by $.50 per pound 2. xyz is less expensive by $.50 per pound 3. abc is less expensive by $.05 per pound 4. xyz is less expensive by $.05 per pound