[USER (data scientist)]:Could you please create bar charts that illustrate loan approval rates? Specifically, I'm interested in rates where the 'class' column is labeled as 'good'. The categories I'd like to see are credit history, employment status, the age group of 40 to 59 years old, and credit amount range using bins of 2000. given the solution of this question, please also answer: could you please provide the percentage difference in approval rates between middle-aged customers (40-59 years old) and young adult customers (25-45 years old)?

A. 2.04%
B. 3.04%
C. 3.94%
D. 5.84%
E. None of above

[YOU (AI assistant)]: