You have borrowed money from your roommate, and would like to know how inflation is impacting the interest rate your roommate is charging on the loan. (clearly your roommate took this course already...). The loan is for $1,000.00, and the interest rate you are paying is 4.3%. However, you look up in the WSJ what the rate of inflation is, and are shocked to see that it is 7.8%. What is the real interest rate you are paying on this loan? (Answer in \%, per formatting guidelines in the instructions, with 2 places to the right of the decimal, and indicate the sign of your answer if