Suppose the CPI from year 1 to year 2 increase from 212 to 229. What is the rate of price inflation? Provide your answer as a percent rounded to two decimal places. Do not include any symbols, such as "$,"",""%," or ","in your answer. You have to pay costs for your business now, but you also have to enter into contracts to pay wages and supply costs in the future. If inflation occurs, the best term for the problem that arises in this case is