Which of the following sources of information would be considered internal?
A、Interviewing potential customers
B、Reading business magazines
C、Receiving updates from tax authorities
D、Looking through sales records for the last year
A、Interviewing potential customers
B、Reading business magazines
C、Receiving updates from tax authorities
D、Looking through sales records for the last year
【参考答案及解析】
Looking through sales records for the last year
Looking through sales records for the last year