The value of marginal product of labor (VMPL) is the contribution of an additional worker to a firm's revenues. the firm's additional profit from hiring another worker. given by the marginal product of labor times the price of the firm's output. . Aand C only. Complete the following table. Assume that the selling price of the firm's output is $8 per unit. Workers Marginal Employed Product VMPL 1 36 s | 2 30 s | 3 24 $192 4 18 $| | 5 12 s |