Consider the given transactions and specify the output of the rollback in 3 cases. BEGIN TRANSACTION SAVE TRANSACTION SavePoint INSERT INTO Customer VALUES (1, 'Code_1', 'Ramesh') INSERT INTO Customer VALUES (2, 'Code_2', 'Suresh') SAVE TRANSACTION SavePoint2 INSERT INTO Customer VALUES (3, "Code_3', 'Priyanka') INSERT INTO Customer VALUES (4, 'Code_4', 'Preety') SAVE TRANSACTION SavePoint3 INSERT INTO Customer VALUES (5, 'Code_5', 'John') INSERT INTO Customer VALUES (6, 'Code_6', 'David') a. ROLLBACK to Savepoint 2; b. ROLLBACK to Savepoint 1; c. ROLLBACK to Savepoint 3