Buying and selling of goods and services can occur in various ways outside of traditional markets, such as:
(a) Online shopping through the Internet
(b) Placing orders via phone
(c) Sales representatives visiting clinics and nursing homes
(d) Farmers directly selling to consumers at farms
Choose the correct answers:
1
(a) and (b)
2
(a), (b), and (c)
3
(b) and (d)
4
(a) and (d)