15. Melnick built a house for Gintzler, but the foundation was defective. Gintzler agreed to accept the foundation if Melnick guaranteed to repair any damage that was caused by the defects in the future. Melnick agreed, but when Gintzler called Melnick two years later to repair water damage resulting from the foundation defects, Melnick refused to make any repairs. Gintzler sued, and Melnick argued that his promise to make future repairs was unsupported by consideration. Who will win the suit?
16. Richard hires Paul to paint his kitchen in two eight-hour days of work for $500. At the end of the first day, the kitchen is 85 percent complete. Richard asks Paul to stay late and finish. Paul agrees to stay and complete the painting if Richard pays him a total of $750 for the job. Richard agrees. Does Richard owe Paul the additional $250?