Which change must be made to the above syntax to calculate the annual compensation as "monthly salary plus a monthly bonus of $100, multiplied by 12"?

Evaluate this SQL statement:
SELECT ename, sal, 12*sal+100 FROM emp;
The SAL column stores the monthly salary of the employee. Which change must be made to the
above syntax to calculate the annual compensation as “monthly salary plus a monthly bonus of
$100, multiplied by 12″?

A.
No change is required to achieve the desired results.

B.
SELECT ename, sal, 12*(sal+100) FROM emp;

C.
SELECT ename, sal, (12*sal)+100 FROM emp;

D.
SELECT ename, sal+100,*12 FROM emp;

Explanation:
to achieve the result you must add 100 to sal before multiply with 12.
Select ename, sal, 12*(sal+100) from EMP;
Incorrect answer:
AMultiplication and division has priority over addition and subtraction in Operator precedence.
CGive wrong results

DWrong syntax
Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 1-11