The correct option is D.
Marginal cost refers to the amount of money it cost a company to produce one more of a particular product while the marginal benefit refers to the benefit that is obtained as a result of producing that one extra product. Profit is maximized when the marginal cost equals the marginal benefits. 
 
        
                    
             
        
        
        
Alright so i read the book. The answer is B. sympathetic and generous.
Because remember in the story the childerns mother got a job and didnt come to pick them up on time. The girl felt denied and missed her mother badly. Yet Ms.Crossman was there for her to tell her its going to alright. Which proves for her to be generous and caring which leads to sympathetic.
Hope I helped.
        
             
        
        
        
The correct option for the blank is "Genetic influences". Genetic influences affect the personality to the maximum.
<h3>What are Genetic influences?</h3>
Genetic influences refer to the hereditary characteristics of a person that are due to the genes of his parents or forefathers. Genes influence the person, his health, and his mental abilities. 
Nearly two-thirds of the personality is therefore attributed to genetic influences.
Therefore the correct option is C.
Learn more about genetic influences here:
brainly.com/question/1251774
 
        
             
        
        
        
Answer:
Yes, 
Explanation:
It is not who you are but who you wish to be and what you want to change about yourself. Its better is you just create an image of who you are.