Determine the Noise Margin for 5V TTL inverter gate:

• A. NMH = 0.4V and NML =0.4V
• B. NMH = 2.4V and NML = 0.4V
• C. NMH = 2V and NML = 0.8V
• D. NMH = 1.5V and NML = 0.4V