After interchanging the given two numbers what will be the values of equation (I) and (II) respectively?

8 and 4
I. $$8 - 4 \times 6 \div 3 + 7$$
II. $$8 \times 3 - 6 \div 2 + 4$$

A

-5 and 20

B

-4 and 18

C

-5 and 17

D

-20 and 18