Time left 0:01:21 QUE Within the value chain conceptual framework, organizations also perform a number of other support activities that enable the five primary value chain activities to be performed efficiently and effectively. One such support activity is research and development. This activity can be identified as a : 10 19 28 cho a Firm infrastructure activity. b. Human resources activity. O c Technology activity d. Marketing and sales. e. Purchasing activity Finisa Next page