How much interest is earned on $2,700 in one year if it is invested at 3%?
$8.10
$81.00
$810.00

On this part, you can use the formula for compound interest: 

F = P(1+i)^n 
F = future worth of $ 
P = present worth of $ 
i=interest 
n=years 

F = 2700(1+0.03)^1 
F = 2781 

So interest = 2781-2700 = $81 

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