I would choose D.  By outsourcing certain processes to small businesses
 
        
                    
             
        
        
        
Answer
The answer and procedures of the exercise are attached in a microsoft excel document.  
<em>You didn´t post the complete information of the exercise, I searched the exercise online and tried to ask the most useful question.</em>
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Explanation  
Please consider the data provided by the exercise. If you have any question please write me back. All the exercises are solved in a single sheet with the formulas indications.  
 
        
             
        
        
        
<span>This is the gestalt law of closure. Gestalt means a whole comprised from many pieces that takes on a meaning larger than itself. This refers to Lilian's process of assembling the word- it is composed from letters, but takes on an independent meaning. The law of closure is when this happens anyway even when we don't have all the information.</span>
        
             
        
        
        
Hi I think it might be the second option: <u>You can specialize in mechanics and still be able to feed your family without growing your own food.</u> I say this because the key word specialization used in the question and specialize. 
Honestly taking a test with this same question at the moment and i am just taking a wild guess here. Im sorry if i got it wrong but good luck.