View the Exhibit and examine the structure of the CUSTOMERS table .Which statement would display the highest credit limit available in each income level in each city in the CUSTOMERS table?
A. SELECT cust_city, cust_income_level, MAX(cust_credit_limit ) FROM customersGROUP BY cust_city, cust_income_level, cust_credit_limit;
B. SELECT cust_city, cust_income_level, MAX(cust_credit_limit) FROM customersGROUP BY cust_city, cust_income_level;
C. SELECT cust_city, cust_income_level, MAX(cust_credit_limit) FROM customersGROUP BY cust_credit_limit, cust_income_level, cust_city ;
D. SELECT cust_city, cust_income_level, MAX(cust_credit_limit) FROM customersGROUP BY cust_city, cust_income_level, MAX(cust_credit_limit);
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