Well, in order to be qualified to explain that kind of thing, the guest should have some experience in the economic field, which not all politician or journalist can do.
So , The best guest would be a journalist who focus himself on economic matters or An economist himself
Hope this help you out
Answer:2 change february to February
This is a common pronoun hence one has to use a capital letter for a pronoun. Those are the name for things like the names of the cities or schools , general terms for common things.