Which of the following activities would waste the most time? a. rich tries to multitask writing a report and reading a memo, and has to re-write the report and re-read the memo, which takes an hour. b. during a departmental meeting, barry and scott make small talk for twenty minutes while the other six meeting members sit and listen. c. greg asks tony a question about work and then talks to him for ten minutes about who will win the game tonight. d. barbara composes an e-mail during her thirty minute train ride to work.