TOEIC® listening part III, set 18, exercise 8

[Saneta]

http://www.english-test.net/toeic/listening/personnel_discussion.html

1. Whom do you prefer?
— Well, it's close = it's difficult to say whom I prefer?
2. shouldn't it be:
when there were four evaluators?
3. it's your call = It's your opinion?
4. computer design=designing in computer?

many thanks

[Beeesneees]

1. well, it's close: There is not much to choose between them, they are very well matched.
2. It is ...'when there were four evaluators' in the recording. The word seems to have been missed out from the transcript.
3. It's your decision.
4. computer design. Using computers to help the design process OR designing computer software.
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Cheers m' dears!