What factors should be kept in mind, if a firm wants to go international?

What factors should be kept in mind, if a firm wants to go international?

When a firm wants to cross the borders, it should find out the answers to the following questions:
a.In how many countries is it planning to establish its business operations?
b.What are the types of countries it intends to enter?
c.How much cost would be incurred and how it would be allocated?
d.What would be the market size?
e.How can it achieve competitive advantage?
Besides,The firm must analyse the market growth prospects , profitability as well as the level of risk involved.