B
B
75 dB
D
A
75 dB
C
C
72 dB
C
C
C
B
D
A
73 dB
A
D
A
75 dB
A
D
A
71 dB
E
A
C
A
73 dB
A
C
A
A
73 dB
A
D
A
73 dB