WILL GIVE MANY POINTS AND BRAINLY IF CORRECT ANSWER PLEASE NO SPAM
Samantha received a loan from a bank for $4500 at a interest rate of 5%. She plans on paying off the loan in 4 years. At the end of 4 years, Samantha will have paid $900 in interest. 
The interest formula is I = P*r*t
Please identify each part of the formula from the word problem above.
I = 
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P = 
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r = 
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t =
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