Suppose the Cobb-Douglas production function for a company is given by f(x,y)= 100x^(1/4) y^(3/4)
Where x is the company's capital investment (in dollars ) and y is the size of the labor force (in work-hours).
What is the marginal productivity of labor and marginal productivity of capital when the amounts expended on labor and capital are 625 work-hour and $10,000 respectively.