In the country of Hyrkania, the CPI in 2012 was 140 and the CPI in 2013 was 154. Jake, a resident of Hyrkania, borrowed money in 2012 and repaid the loan in 2013. If the nominal interest rate on the loan was 14 percent, what was the real interest rate? Select one: O 18 percent O 10 percent O 4 percent O 14 percent