What is the correct answer for this? (not 3.68)

You are pleased to see that you have been given a 5.99% raise this year. However, you read on the Wall Street Journal Web site that inflation over the past year has been 1.69%. How much better off are you in terms of real purchasing power? (Note: Be careful not to round any intermediate steps less than six decimal places.) Your real purchasing power is 3.68 %. (Round to two decimal places.)