1. Katie mows her own yard to save money. Her neighbor Jonah, however, hires a lawn service to mow his yard. One day, as Katie is looking out of the window, Jonah's lawn service drives up, and the laborers wave at her through the window. To her surprise, they begin to mow her yard, not Jonah's yard. Katie thinks that is great and keeps her mouth shut while they mow the yard. Later, she gets a bill. She calls the owner of the lawn service and says that she does not have to pay because there was not a contract in place where she agreed to have her yard mowed. The lawn service says that she is liable for the full amount of its contract. Is the lawn service entitled to any recovery from Katie? Why or why not? 2 Kendrick overhears Eric's offer to sell Greg a boat for $1,000. Greg declines the offer, but Kendrick immediately says "I accept." Is Eric obligated to sell the boat to Kendrick, and why or why not? . Jun enters into a written contract with Tessa to build her a home to be completed by December 31; for this work, he is to be paid S100,000. After the work has begun, Jun tells Tessa that he had miscalculated and that he needs to hire additional workers in order to have the home done by the due date and that she needs to pay him an extra $10,000. Tessa agrees to pay. Jun finishes the home by December 31 and sends Tessa a bill for S110,000. Tessa pays Jun $100,000, but refuses to pay the extra $10,000. If Jun sues, who will most likely win and why