The logic behind saving for retirement is that the earlier one begins saving for retirement, the lesser amount they will have to save monthly. From the graph given, the answer to how much more you need to invest per month to have $1M at retirement is;
Assuming a 6% investment on return, the individual will have to save $360 monthly to have $1,000,000 at the retirement age of 67. 
If he, however, waits till the age of 25 to begin saving, he will have to save $500 which is $140 more than he would have saved from the age of 20. 
So, to save less per month, you need to start at an early age.
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Answer:
(D) Both number of units produced and amount of direct materials used in production are correct. 
Explanation:
 
        
                    
             
        
        
        
Answer: Brian will have $700 dollars to pay the medical bill balance 
Explanation: You already know your total is $3,000. Subtract 3,000 - 2,300, which will give you $700.00
 
        
             
        
        
        
Answer: underallocated because long-run equilibrium occurs where price exceeds marginal cost.
Explanation:
Monopolistic competition occurs when there are many firms that are producing products that are differentiated. It should also be noted that one typical characteristics of a monopolistic competition is a large number of firms coupled with low entry barriers.
It should be noted that in monopolistically competitive markets, resources are underallocated because long-run equilibrium occurs where price exceeds marginal cost..
 
        
             
        
        
        
Depends of the negatives info but typically around 7 years