Please answer the following question. State whether the answer is true or false and provide a one sentence explanation.

15. A firm has one machine that it uses to produce product Y. The machine has a one-time cost of AS (fix cost}. It is known that each additional worker being added to work on the machine produces less than the previous one. In this case, the marginal cost of the firm increases, and the average total costs decreases. True/false Explain