In Example 6.3, wheat is produced according to the production function: q=100(K0.8L0.2) Beginning with a capital input of 4 and a labor input of 49, show that the marginal product of labor and the marginal product of capital are both decreasing. (Round your responses to two decimal places.) The MP K at 5 units of capital is The MPK at 6 units of capital is The MPL at 50 units of labor is The MPL at 51 units of labor is