Match the following statements with their authors

List-I	List-II
a. Marketing mix is a pack of four sets of variables, namely; product variables, price variables, promotion variables and place variables.	1. Wheeler
b. The marketing mix is the set of marketing tools the firm uses to pursue its marketing objectives in the target market.	2. Cundiff, Still and Govoni
c. Marketing is the managerial process by which products are matched with markets, and through which transfers of ownership are affected.	3. McCarthy
d. Marketing is concerned with all the resources and activities involved in the flow of goods and services from producer to consumer.	4. Philip Kotler