In: Finance
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 4.  | 
 What annual interest rate would you need to earn if you wanted a
$200 per month contribution to grow to $14,700 in five
years?  | 
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 5.  | 
 You wish to buy a $20,000 car. The dealer offers you a 5-year
loan with an 8 percent APR. What are the monthly payments?  | 
| 
 6.  | 
 Joey realizes that he has charged too much on his credit card
and has racked up $3,000 in debt. If he can pay $150 each month and
the card charges 18 percent APR (compounded monthly), how long will
it take him to pay off the debt?  |