4. why do you have to send a survey questionnaire to your target customer

A. to know the likings of the custoners

B. to ask their feeling, views, and opinions

C. to suit customer' preference

D. all of the above


5. which of the following is the most innovative, cost-effective method of survey of gathering of data

A. paper

B. telephone

C. face- to- face

D. online

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