Cooper has several factories that he can use to satisfy demand for several products. All of the factories are running at 100% utilization. Among the following strategies to increase sales volume, which one is the most effective?

(a) Increase capacity.

(b) Decrease capacity.

(c) Increase mean demand.

(d) Decrease mean demand.

(e) Reconfigure the factories so that they can produce a broader set of products.

(f) Focus the factories so that they each produce one product.

(g) Reduce the number of products sold.