Answer:
Adds some updated features to product information, that way, he can effectively utilize the wiki feature as he so desires.
Two special methods vital to marketing researches are <u>sampling</u> and <u>statistical inference.</u>
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Answer:
The primary advantage they refer to is additional sales revenue.
Explanation:
Extending credit to customers is generally done through use of credit cards these days. This does allow the customers to buy goods and services on credit and pay later for those goods.
Offering credit is beneficial for both the shopkeepers or merchants and the buyers. Customers do not have to pay cash (as they can run out of cash at times), so they buy more and this increases the sales revenue for the merchants, which becomes the primary advantage for them and outweighs the costs.