Answer:
a. establish a subsidiary or acquire a competitor in a new market
Explanation:
In the market where superior profits are possible to be generated, MNC should establish its subsidiary or acquire competitor. This is because in the home market, it has already been saturated or the competition is intense. so that need to penetrate into new market to seek for potential demand. So that MNC can choose either setting up subsidiary or acquiring competitors to achieve the objectives of different sources of demand available to exploit.