Chapter 14.5, Problem 19E

(a)

To determine

To calculate: The number of units of labor and the number of units of capital that maximize production if a company has the Cobb-Douglas production function as $z=400x^{0.6}{y}^{0.4}$.

(b)

To determine

To calculate: The marginal productivity of money. if a company has the Cobb-Douglas production function as $z=400x^{0.6}{y}^{0.4}$.

(c)

To determine

To graph: The constraint with the optimal value for production and with two other z- values if a company has the Cobb-Douglas production function as $z=400x^{0.6}{y}^{0.4}$.