Answer:
The marginal resource cost is greater than the marginal revenue product.
In other words, the cost of employing the workers was greater than the revenue generated by the workers' output.
Explanation:
The marginal revenue product (MRP) is the monetary value of the additional output generated by employing the 21,000 workers.
The marginal resource cost (MRC) is the additional cost of employing the 21,000 workers.
