By interchanging the given two signs which of the following equation will be correct?
$$+$$ and $$\times$$
I. $$5 \times 12 - 15 + 20 \div 30 = 7$$
II. $$51 \div 17 \times 9 + 10 - 8 = 85$$

A

Both I and II

B

Neither I nor II

C

Only I

D

Only II