Refer to the Table 8.3 and explained precisely why using 10 units of labor and 2 units of capital is not economically efficient?. I am finding it difficult in answering this question. Thanks

TABLE 8.3 Total, Average, and Marginal Products of Labor (with capital fixed at 2 units) (1) Number of (2) Total workers (L) (3) Average product (AP (4) Marginal product (MP = product (Q) = Q/L) AQIAL) 0 1 52 52 52 6 00 V O UT A W N 112 56 60 170 56.7 58 220 55 50 258 51.6 38 286 47.7 28 304 43.4 18 314 39.3 10 318 35.3 4 10 314 31.4 -4