After interchanging the given two signs what will be the values of equation (I) and (II) respectively?
$$\times$$ and $$-$$
I. $$7 \times 8 - 6 + 15 \div 3$$
II. $$8 - 9 \times 2 + 45 \div 5$$

A

84 and 42

B

-36 and 79

C

-8 and 10

D

56 and 18