A 3D model of a compound is shown below. White spheres represent H, grey represents C, red represents O and blue represents N. Identify its molecular and structural formula. 

• A. MF: C₂H₆NO, SF: (CH₃)₂ONH
• B. MF: C₂H₇NO, SF: (CH₃)₂NOH
• C. MF: C₂H₆NO, SF: CH₃CH₃ONH
• D. MF: C₂H₇NO, SF: CH₃CH₃NOH

Answer: (B)