Question 1: Refer to the following marginal benefit and marginal cost functions for activityA:

MB= 100 - 0.05A

MC= 80 + 0.05A

Adding the 50th unit of activityAwill...

Question 2: Refer to the following marginal benefit and marginal cost functions for activityA:

MB= 100 - 0.05A

MC= 80 + 0.05A

The optimal level ofAis...

Question 3: A clinic uses doctors and nurse practitioners optimally and is servicing the maximum number of patients given a limited annual payroll. The last doctor hired treated 1200 extra patients in a year, while the last nurse practitioner hired treated 600 extra patients in a year. If doctors make $180,000 per year, what do nurse practitioners make per year?