Illustrations: 1.A says to B,"That book you are holding is yours if you promise to pay me $5 for it.This is an offer empowering B,by making the requested promise,to make himself owner of the book and thus complete A's performance. In that event there is also an implied warranty of title made by A. 制卧价贸易大学 1951Illustrations: z 1. A says to B, “That book you are holding is yours if you promise to pay me $5 for it.” This is an offer empowering B, by making the requested promise, to make himself owner of the book and thus complete A‘s performance. In that event there is also an implied warranty of title made by A