Acity government reported a $9,000 increase in net position in the motor pool internal service fund, a $12,000 increase in net position in the water enterprise fund, and a $7,000 increase in the employee pension fund. the motor pool internal service fund provides service primarily to the police department. what amount should the city report as the change in net position for business-type activities in its statement of activities?

Suppose that a candy maker owns a building and is renting part of the building's space to a doctor. further suppose that because the candy maker is the owner, he has the right to make noise during the day while he makes candy. while the doctor cannot insist on a quiet environment, the doctor could move to a quieter building. however, rent in the next best building is $350/month more than rent in the noisy building. the candy maker can adopt a new technology that eliminates the noise for $275/month. given this situation, can the doctor find a private solution with the candy maker that will make both better off?