a. (1pt) How many different unique job titles are there in the dataset? b. (2 pts) How much money did the city pay in bonuses to employees who only had a 1 or 2 performance rating? Provide the total sum of bonus pay. c. (3 pts) For each performance rating (1-5 stars), compute the average of employee satisf action for employees with that performance rating. Is there a relationship here? Most managers argue that the more satisfied someone is with their job, the higher they perfor m. Does this data support that conclusion? Explain.