B because it the right answer there
        
             
        
        
        
Marine Midland researchers were using individual interviews to collect these data.
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Explanation:</u></h3>
An information-gathering interview is a focused discussion with a specific determination that practices a question-and-answer format. Intentions are valuable erudition that can be gathered from interviews. Interview questions are regularly open-ended subjects so that in-depth knowledge will be obtained. 
In the personal interview, the interviewer acts instantly with the respondent.  They also grow a viable choice where there are short respondents. There are possibilities for reviewing to get underlying factors. The interviewer can seek in-depth information around the topic.
 
        
             
        
        
        
Answer:
having declining price levels affect the reinvestment rate of your current income stream
 
        
             
        
        
        
Take the $550 per month for monthly income as after ten years it would reach the same amount just in a longer period of time