Read the two statements and choose the correct option.

I. If $a > b$ and $c > d$, then $a - c > b - d$.

II. If $a > b > 0$ and $c > d > 0$, then $ac > bd$.

Explanation

1. 01

   I is false: $5 > 4$ and $10 > 1$, but $5 - 10 = -5$ is less than $4 - 1 = 3$. Inequalities may be added, not subtracted.

2. 02

   II is true: $ac > bc > bd$, since all the numbers are positive.