The production function for Our Production is Q = 25L – 0.05L2

2. The production function for Our Production is Q = 25L – 0.05L²; where Q is output and Lman–hours. 

a) What level of man–hours will maximize total output? (5 marks) 

b) Calculate the marginal product for the following levels of man–hours: 50, 100, 150; 200; 250 and 300. Comment on the results. (5 marks)