If the united auto workers union can obtain a substantial wage increase for auto workers, there will be a(n): decrease in the supply of automobiles, which is a shift to the right of the supply curve. decrease in the supply of automobiles, which is a shift to the left of the supply curve. increase in the supply of automobiles, which is a shift to the right of the supply curve. increase in the supply of automobiles, which is a shift to the left of the supply curve.