A. free exchange of money
B. exchange of services
C. exchange of goods and services
D. None of them
Correct Answer: exchange of goods and services ✔
Last Updated: June 18, 2019
A. free exchange of money
B. exchange of services
C. exchange of goods and services
D. None of them
Correct Answer: exchange of goods and services ✔
Last Updated: June 18, 2019