Solution :
It is given that the manager hires a labor and he rents the capital equipment [tex]\text{in a very competitive market}[/tex].
Presently the rate of the wage is at $ 10 per hour and the capital is been rented at $ 0.25. If the [tex]\text{marginal product}[/tex] of the labor is 50 units of the output per hour and the marginal.
Therefore, the answer is
14 + 10 = 24