If subjects in a laboratory settings are asked to give the last four digits of their social security number and then to give a price they would pay for an item (say, a coffee mug), Group of answer choices the subjects with higher last four digits tend to give lower prices for the item up for sale. the subjects with higher last four digits tend to give higher prices for the item up for sale. the subjects give about the same prices no matter their last four digits. subjects are unaffected by their social security numbers