Assume that the product price is $5 per unit and that the hourly wage for workers is $25. Neither price nor wage changes with output. Table 15.1 Number of Total Marginal physical Total revenue Marginal revenue workers outout product (output (dollars per product (dollars (per hour) per worker hour) par worker 4 10 15 19 22 Question 14 Not yet answered Points out of 1.00 Flag question in Table 15.1, the marginal revenue product of the second worker hired is: Select one: Qa $10 per hour. Ob. $20 per hour. Or $30 per hour. Co. $15 per hour