Answer:
The APR is 14.5%
Explanation:
APR is Annual Percentage Rate which is levied on the amount borrowed.
Jim Tree borrowed $1,000 at 10 percent for one year.
He paid a $45 processing fee and $100 in interest.
So, the total finance charge is =

Therefore, the APR is =
= 0.145
And in percentage it is
%
Hence, the answer is 14.5%