By interchanging the given two signs which of the following equation will be not correct?
+ and -
I. $$18 \div 3 + 8 \times 5 - 4 = 20$$
II. $$6 + 8 \times 9 \div 3 - 4 = 14$$

A

Neither I nor II

B

Only II

C

Only I

D

Both I and II