$Quantity \, 1:$ Original duration of flight. In a flight of $3000 \, km$,an aircraft was slowed down by bad weather. Its average speed for the trip was reduced by $100 \, km/hr$ and the time increased by $1 \, hour$.
$Quantity \, 2:$ Usual time of a man who,when walking at $\frac{3}{4}$ of his usual pace,reaches his office $20 \, minutes$ late.

• A
  Quantity $I >$ Quantity $II$
• B
  Quantity $I < $ Quantity $II$
• C
  Quantity $I \geq$ Quantity $II$
• D
  Quantity $I \leq$ Quantity $II$