A 2 bit BCD D/A converter is a weighted resistor type with ER = 1V, R = 1 MΩ and Rf = 10KΩ then Resolution in percent and volt is __________ .

• A. 1%, 1 mv
• B. 10%, 10 mv
• C. 10%, 1 mv
• D. 1%, 10 mv