C A 70 dB

C A

D A 70 dB

A B 69 dB

B B 70 dB

C A 69 dB

C A 69 dB

F C 70 dB

B B 69 dB

C C 72 dB

C C 72 dB

C C

B B 69 dB

C A 70 dB

D C 72 dB

C C 72 dB

N N

N/A N/A

C A 70 dB

C A 70 dB