The following table shows the total output produced in a factory at various levels of employment of labor. The firm sells each unit of output at $4 and each worker is paid a wage of $256.

Produce a table showing marginal product of labor (MP_L), revenue, marginal revenue (MR), marginal revenue product (MRP_L), and marginal profit (M). Identify the number of workers needed to achieve maximized profit.

Workers Total output (Q)

1 116

2 236

3 360

4 482

5 5100

6 6112

7 7120

8 8122

9 9124