The principal represents an amount of money deposited in a savings account subject to compound interest at the given rate.
| 
 Principal 
 | 
  Rate 
 | 
 Compounded 
 | 
  Time 
 | 
| 
 $4,000 
 | 
 3% 
 | 
 semiannually 
 | 
 4 years 
 | 
A.	Find how much money there will be in the account after the given number of years.
B.	Find the interest earned.