A firm that, by operating in more than one country, gains R&D, production, marketing, and financial advantages in its costs and reputation that are not available to purely domestic competitors:.
a) domestic firm
b) bi coastal firm
c) Chinese firm
d) global firm

Global firm

Explanation:

Global firm is one which executes its different business functions in more than one country. They may be based out of one country but they execute their business operation like procurement, logistics, Research and development, marketing and other such activities in other countries as well.  

Objective of such firm is to be increase their market reach, generate flexibility in gaining access to various resources and competency required in the business. These all activities are meant to decrease cost for the company and increase profitability and revenue for it.

Example for such company can be Google, Hindustan Unilever, Ikea.

c is the answer, and do you have a ps4?