Question 18 (2 points) A $100,000, 168-day T-bill was purchased on the issue date for a price that would earn the investor a simple interest rate of 4.17% per annum if held until maturity. The investor sold the note after 30 days at a price that would yield the purchaser a simple interest rate of 4.81% per annum if held until maturity. Calculate the simple interest rate earned by the original investor during the time that they held the T-bill. Express your answer as an annual percentage rate rounded to 2 decimal places. Do not include the % sign. Your