An amplifier has voltage gain and current gain of 10 and 100 respectively. The voltage, current and power gain in decibels, respectively, will be:

• A. 12. 16 and 20 dB
• B. 20, 40 and 30 dB
• C. 10, 100 and 1000 dB
• D. 40, 60 and 50 dB