Econ question

A large media company is employing three PR managers, each earning $200 per day. Due to the pandemic and the increased demand for TV shows, a fourth manager needs to be hired. The company is aware that PR managers in the media industry know each other welL It is also common knowledge that PR managers can get quitejealous and would refuse to work if not paid the same salary as their peers in the same rm' A PR manager has been interviewed for the fourth position and would be willing to join the media company for a salary of 225$ per day. The three PR managers already employed learnt about this request. What is the marginal cost (per day) of hiring the fourth PR manager? 0 a. $425 0 be $200 0 c. $150 0 d' $225 0 e. $300