Answer:
a. Being able to charge a premium price
Explanation:
First mover advantage is when a firm is able to capitalize by introducing a new product in an untapped market. This means that the firm has no direct competitors and there are no substitute products that can take a share of market away from the company. These products usually command a price skimming strategy and are able to charge high premium prices, consider the example of folding smartphones as galaxy fold is priced at a high premium.
All the other options are advantages for moving second.
Hope that helps.
