Jack is a contractor who has been engaged by Tina to build a tennis court behind her house. Jack is told by Tina that the tennis court must be 78 feet long and 36 feet wide, as those are the official dimensions of a tennis court. Jack also agrees to finish the work in seven (7) days. Jack starts work on the building the tennis court. As Jack cannot find his ultra-precise laser measuring tool, he decides to use an old measuring tape to measure the tennis court's size. Jack manages to complete the work in eight (8) days. Tina is upset about the delay in completing the tennis court but, as she does not want any hassle, Tina does not complain and pays Jack in full. A few days later, Tina notices that the court seems smaller than the public tennis court that she used to use. Tina starts measuring the size of her new tennis court and realizes that it is 77 feet long and 35 feet wide. Tina is extremely upset and asks Jack to rebuild the tennis court to the correct specifications. Because of the way the concrete has been poured, increasing the size of the tennis court would mean having to rebuild the tennis court from scratch.

Advise Tina.