Who is responsible for participating in the discussion at a performance review? a. the supervisor b. the employee c. the coworkers d. both the supervisor and the employee e. both the employee and the coworkers

Petra contracted to paint bret’s house for $2,000. after beginning the job, petra realizes that the house is really quite big, and she’s not going to make enough profit, so she tells bret she wants another $500 to finish the job. bret doesn’t want to pay more, but he’s afraid that if she walks off the job, he’ll have trouble finding someone else to finish it, so he agrees. is bret legally obligated to pay the extra $500?