A sound source of fix frequency is in unison with an open end organ pipe of length 30.0 cm and a close end organ pipe of length 23.0 cm (both of same diameter). Both pipes are sounding their first overtone. If velocity of sound is 340 ms$$^{-1}$$, frequency of sound source is nearly

A

1000 Hz

B

1062 Hz

C

1100 Hz

D

1018 Hz