On Tuesday, Jon offered to sell his CD collection to Sandy for $100. Sandy replied, “I’m interested. I’ll think it over and let you know Thursday whether I want to buy the CDs.” On Wednesday, Jon agreed to sell the CDs to Jason, and Jason immediately gave

On Tuesday, Jon offered to sell his CD collection to Sandy for $100. Sandy replied, “I’m interested. I’ll think it over and let you know Thursday whether I want to buy the CDs.” On Wednesday, Jon agreed to sell the CDs to Jason, and Jason immediately gave Jon a letter that stated: