When , a firm will supply a higher quantity at any given price for its output, and the supply curve will shift to the right.

costs of production fall

Explanation:

When the costs of production fall, a firm will supply a higher quantity at any given price for its output, and the supply curve will shift to the right.

This is because when there is a reduction in the costs of production, there will be more money and hence, the producer can supply more goods thereby shifting the supply curve to the right.

so they can see what that city is producing and to also see if they can some how get that product. like gold in africa.