The owners of Uptown Apartments are leaning toward not improving the apartment complex; they believe that the increased rents they could charge for improved apartments would not cover the costs of the improvements  But the improvements would make the surrounding housing, which they also own, more valuable and rentable for higher rents
So the owners should make the improvements
John's injured knee does not cause him a lot of pain, so he does not want to undergo the pain of surgery to heal it. But the surgery would enable him to exercise regularly again. Thus John should have the surgery.