Two cars moving in opposite directions approach each other with speed of $22\text{m/s}$ and $16.5\text{m/s}$ respectively. The driver of the first car blows a horn having a frequency $400\text{Hz}$. The frequency heard by the driver of the second car is: (velocity of sound $340\text{m/s}$)

1. A
   $361\text{Hz}$
2. B
   $411\text{Hz}$
3. C
   $448\text{Hz}$
4. D
   $350\text{Hz}$