[USER (data scientist)]: Could you please create bar charts that display loan approval rates for each credit history category, employment status, middle-age group, and credit amount range, considering the loan approval rate to be represented by the "good" class column and using a binning size of 2000 for the credit amount? Also, could you tell me approximately how much higher the approval rate is for middle-aged customers compared to 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)]:
