Explanation:
Its part of the command economy
Answer: Upselling
Explanation:
Upselling is a customer development strategy whereby the customers are encouraged to buy an upgraded or higher end version of a particular product. Upselling therefore results in the customers spending more than what they initially planned for and this bring about increase in revenue to the company.
Therefore, the customer development strategy exemplified by JetBlue is Upselling.
The correct answer would be index mutual fund