Identify which perspective of the balanced scorecard is addressed by each of the following performance measures identified by an online retailer (no details needed). You can refer to Exhibits 2.6, 2.7, 2.8 and 2.9 (pages 46-48) in Chapter 2 of the text for help: a) The number of online chat sessions conducted with website visitors during a week. b) Average dollar value of online orders placed over a month. c) The number of new products added to the online catalog during the past year. d) The number of visitors to the website during a week. e) The average amount of time needed to answer customer e-mail.