When the Nation of Roma Allows Trade and as a Result

When the nation of Roma allows trade and as a result becomes an importer of scooters,

A) residents who produce scooters become worse off; residents who buy scooters become better off; and the economic well-being of Roma rises.
B) residents who produce scooters become worse off; residents who buy scooters become better off; and the economic well-being of Roma falls.
C) residents who produce scooters become better off; residents who buy scooters become worse off; and the economic well-being of Roma rises.
D) residents who produce scooters become better off; residents who buy scooters become worse off; and the economic well-being of Roma falls.