E1A02 - Amateur Extra Class

E1A02 : When using a transceiver that displays the carrier frequency of phone signals, which of the following displayed frequencies represents the lowest frequency at which a properly adjusted LSB emission will be totally within the band?
A The exact lower band edge
B 300 Hz above the lower band edge
C 1 kHz above the lower band edge
D 3 kHz above the lower band edge
Correct Answer: 3 kHz above the lower band edge