Answer:
Opportunity Cost refers to loss of potential gain which could've resulted from other non chosen alternatives when one opts for an alternative. It's also defined as the next best alternative.
The Opportunity Cost of attending a 4 year college with full time schedule & living on campus would be the foregone income another student earns who works in an organization for those same number of hours for the same duration of 4 years and also the fees paid for those 4 years at the college which if would've been banked or invested would've yielded a return. 
The reason for choosing a four year college experience over above mentioned alternatives could be the in the form of expected higher income once an individual avails a degree. 
 
        
             
        
        
        
Answer:
C. By allowing the same money to be both stored as a deposit and  loaned to businesses is the correct answer. 
Explanation:
 
        
             
        
        
        
Answer:
can be achieved by exploiting resources that are competitively valuable, rare, and hard to imitate by rivals
Explanation:
A resource-based strategy is a form of the technique used by business managers to efficiently utilized the existing and valuable resources of the firm. These resources would be difficult to come by for the competitors such that it is hard for competitors to replicate. Thereby leading a sustainable or long term competitive advantage to the firm
Hence, in this case, the correct answer is A resource-based strategy "can be achieved by exploiting resources that are competitively valuable, rare, and hard to imitate by rivals."
 
        
             
        
        
        
Answer:
Differentiate their products
Explanation:
A monopolistic competition is when there are many firms selling differentiated products in an industry. A monopoly has characteristics of both a monopoly and a perfect competition. the demand curve is downward sloping. it sets the price for its goods and services.
examples of monopolistic competition are restaurants 
A monopolistic firm in the food industry acting in their own self-interest, will often include a recyclable symbol on packaging used for their product to Differentiate their products. This is meant to communicate to consumers that they are different from other firms in the industry