Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

If the technology for an industry involves high fixed capital investment, then one way to seek higher profit growth is by pursuing:
Option A:economies of scale.
Option B:diseconomies of scale.
Option C:removal of features that differentiate the product or service provided.

Answer: A