A manager hires labor and rents capital equipment in a very competitive market. Currently the wage rate is $14.25 per hour and capital is rented at $18.50 per hour. If the marginal product of labor is 86 units of output per hour and the marginal product of capital is 120 units of output per hour, should the rm increase, decrease, or leave unchanged the amount of capital used in its production process? 0 The rm should leave unchanged the amount of capital used in its production process. 0 The rm should increase the amount of capital used in its production process. 0 The rm should decrease the amount of capital used in its production process. An industry is comprised of six firms with annual sales as follows: $1,344,000; $1,621,000; $1,469,000; $1,380,000; $1,524,000; and $1,323,000. What is the C4 ratio for this industry? Round your final answer to two decimal places. O 0.69 O 0.72 O 0.67 O 0.71