The correct answer to fill in the blank is product extension.
Answer:
Limit access to private information by friending someone
Explanation:
When conducting recruitment of an individual employers sometimes do background checks on the person's social media information.
There however needs to be consideration of the person's privacy in doing this.
There should be use of only publicly available information, background check can be done by a third party that is not making hiring decision, and do not request username and password for social media platforms.
It is not best practice to befriend a person on social media in order to obtain their private information.
Answer: Product Life cycle
Explanation: Product Life cycle is a concept used to describe the various stages which a product will have to undergo from the time of introduction into the market till the time it will eventually be out of the market. Different products have different life cycle,the life cycle is determined by different factors. The shape of a product's life cycle is that of a BELL SHAPE
The stages include Introductory stage, Growth stage, Stabilization stage and decline stage.
C country places a tax on good from another country
Solution :
a). Bundles 
= U ( _____ , 2), lie on the same indifference curve. Suppose missing numbers is x.
So, 
(40 x 5) + (2 x 5) = 50x + (2 x 2)
210 - 4 = 5x
So Alexander has 
apples and 
bananas. The indifference curve though also include bundle.
Therefore, (41.2, 2)
b). 
= 0.4
So Alexander has apples and bananas with this bundle. Alexander would like to give up 
unit apples for a banana.
