Based on the Tables Below,which of the Following SQL Statements

Based on the tables below,which of the following SQL statements would increase the balance of the Gonzales by $100 to a total of $450? GENERAL SALES DATABASE:
SALESREP

CUSTOMER

A) SELECT Gonzales
FROM CUSTOMER
INSERT VALUES PLUS (100) INTO Balance;
B) SELECT Gonzales
FROM CUSTOMER
INSERT VALUES (450) INTO Balance;
C) INSERT INTO CUSTOMER VALUES PLUS (100)
SELECT Balance
WHERE CustName = 'Gonzales';
D) INSERT INTO CUSTOMER VALUES (450)
SELECT Balance
WHERE CustName = 'Gonzales';
E) UPDATE CUSTOMER
SET Balance = 450
WHERE CustName = 'Gonzales';