Answer:
I believe it is the total cost-profit to be gained if it is meant to be a value. opportunity cost can also be in words, what you sacrificed/what you gain.
I hope this helps
According to Maslow's need hierarchy, you have to satisfy the lowest tier of the hierarchy first before you are motivated to accomplish the higher tiers. These tiers, starting from the lowest, are physiological needs (food, shelter,etc.), safety needs, belongingness and love needs (relationships, friends and family), esteem needs (accomplishments) and self-actualization (reaching full potential). This is problematic for Vincent because he hasn't satisfied the lower 2 tiers yet.
It is false that an observer must know that social learning is occurring for it to be effective.
As the price of goods increases the value on the money decreases