A composer is one who writes an original. An arranger is one who makes a non-concert piece into a concert piece. In your case, composer is probably the definition you’re looking for.
It can be deduced from the given that what Mario used as payment for the goods that he acquired is also goods. The answer to this item is commodity. It is a type of money that is not in a form of cash but has a value that can be an exchange for another commodity.
