A firm produces good X and good Y when the marginal product of both labour and capital is diminishing. The table shows the marginal products at a given output. marginal product of labour (units) marginal product of capital (units) good X 4 6 good Y 8 4 The firm should use ......1...... labour and ......2...... capital in the production of X and ......3...... labour and ......4...... capital in the production of Y. Which words complete the gaps 1, 2, 3 and 4 if the firm wished to increase productive efficiency? 1 2 3 4 A less more more less B less more more more C more less less more D more less less less