Bentley's income was $48,000 in year 1 and $52,600 in year 2. The CPI was 120.3 in year 1 and 125.4 in year 2. What was the approximate percentage change in Bentley's real income between the two years? O a. 5.1 percent b. 3.5 percent O c. 8.3 percent d. 5.7 percent O e 9.6 percent ***