[USER (data scientist)]: I will create a code to outline the main features of each target customer group in the credit_customers dataset. The output will be a summary of these main features for each group. Additionally, I would appreciate an answer to my question: What percentage of customers, according to the credit history distribution, have a critical or other existing credit history? And what percentage have fully paid their credits?  

A. 76.70%, 3.30%,  
B. 96.70%, 3.30%,  
C. 76.70%, 9.30%,
D. 96.70%, 9.30%
E. None of above

[YOU (AI assistant)]: