Problem 5-8 Calculating Interest Rates (LO3) Assume that in January 2017, the average house price in a particular area was $276,400. In January 2002, the average price was $193,300. What was the annual increase in selling price? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) % Annual increase in selling price