The most important and basic part of a product is ( ).
A. Core product
B. Actual product
C. Augmented product
D. Potential product
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A brand of shampoo has 4 specifications and 3 fragrances, and the depth of the shampoo is ( ).
A. 7
B. 12
C. 4
D. 3
When the sales growth of the product slows down and the profit growth rate approaches 0, the product has entered () of the product life cycle
A. Introduction stage
B. Growth stage
C. Maturity stage
Decline stage
List three main product mix & strategies.
不可测集不是一个不能为其定义一个测度的集合
A. 对
B. 错