Directions: The given figure represents a multiplication operation, where each alphabet represents a different number. \[\begin{align} & \underline{\begin{align} & \,\,\,\,\,\,\,\,\,\,\,\text{A}~\,\,\,\,\text{A} \\ & \times \,\,\,\,\,\,\,\,\,\text{B}~\,\,\,\,\,\text{C} \\ \end{align}} \\ & \underline{\begin{align} & \,\,\,\,\,\,\,\text{D}~~\,\,\text{7}~~\,\,\,\text{4} \\ & +~~\text{A}~\,\,\text{A}~\,\,\text{E} \\ \end{align}} \\ & \,\,\,\,\,\,5\,\,\,\,\,9\,\,\,\,\,\,4 \\ \end{align}\]What is the value of B?

• A.  3    
• B. 1  
• C. Sand  
• D. 6