3. in order to provide customers with loyalty towards the company, the goods or services. There are many items sell company product lines. The customer buys the company's product line, and impressed in the positive opportunities that the company is offering a different product line-item for sale. (Cross Selling), you will have more success.4. to recommend goods or services to others. To say a word of mouth (Words-of-Mouth), which is positive about reliability over claims in advertising.
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