Amber had $14,000 to invest (Current Year $. year o), which she invested for 11 years. During this investment period the market rate of return was 12%. After 11 years her investment was worth $36,063 in current year dollars (year O). What was average inflation that occurred during the 10 years investment period? 3.5% 2.2% 2.4% 2.6% 2.9%