A new high-rise Group B office building has just received its certificate of occupancy. According to the NYC Fire Code, what is the required frequency for fire and non-fire emergency drills for the first two years of operation?
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A
Monthly for the first year, then quarterly.
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B
Semiannually from the start.
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C
Quarterly for the first two years.
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D
Monthly for the first six months, then semiannually.