A boy is doing poorly in kindergarten.. A boy is doing poorly in kindergarten. His father says to him, ""If you can bring your grades up and keep them for an entire year, I'll buy you anything you want."" The boy agrees to this. For one whole year, he keeps his grades high. At his kindergarten graduation, the boy's father says, ""All right, we made a deal. What do you want?"" ""Golf balls."" replies the boy. ""A bag of golf balls."" The father is a bit puzzled, but he gets the golf balls. The ne…