Match the following:

List-I (Thinkers)	List-II (Role)
a. Pyle	1. Marketing activities involved in the flow of goods and services, from production to consumption.
b. Tousley and Clark	2. Marketing consists of those effects which effect transfers in the ownership of goods and services and which provide for physical distribution.
c. Huegy and Mitchell	3. Marketing is the economic process by means by means of which goods and services are exchanged and their values determined in terms of money price.
d. Edward and	4. Marketing comprises both buying and selling activities.