Answer:
E) economies of scale
Step-by-step explanation:
Based on the information provided within the question it can be said that the reason for growth illustrated in this example is economies of scale. This is basically a cost advantage that company's gain as they have large amounts of production, since costs per unit decreases as the company's level of production increases. Which is why London Simpson wants to increase her sales, because if she increases sales she needs to produce more, which ultimately saves her money since price per unit decreases.