B,C,D please

4. The table below summarizes the marginal production marginal revenue product information for labor and capital. Assume the other quantities used by the firm remain constant. The price for labor is $6 and the price for capital is $4. Use the table to answer the following questions. so 140-90 . MRP MPK Q MP: 1 1 .2 $36 30 3829 40 39 62 2 3 4 MRP $30 29 25 20 24 +45. +36 173 t zo 4 18 5 6 7 10 5 0 18 12 6 0 5 6 7 20 15 10 15 10 30 32 7285 t (a) What would be the least cost combination of labor and capital that would enable the firm to produce 285 units? (b) What is the profit-maximizing combination of A and B? (C) Suppose the price of capital decreases to $3. Now, what is the least-cost combination of labor and capital? How many units of output would it allow the firm to produce? (d) Given the price change, now what is the profit-maximizing combination of labor and capital? How has output changed? The table below summarizes the marginal product and marginal revenue product information for and XI Sicheaper labor and capital. Assume the other quantities used by the firm remain constant. The price for labor is $6 and the price for capital is $4. Use the table to answer the following questions. QL MP Q 1 so +41090 445. -1 2 3 MRP $36 30 24 50 45 30 20 10 2 3 MPK MRP 40 $30 38 29 32 25 30 20 20 18 15 15 10 123 4 18 4 5 30 12 9 5 6 6 + 39 6 5 3/299 10 7 0 7 0 anital that would enable the firm to