The per unit value of any quantity is defined as:
1
\(\rm \frac{\text{base value in any unit}}{\text{actual value in the same unit}}\)
2
\(\frac{\text{base value in any unit}}{\text{actual value in any unit}}\)
3
\(\frac{\text{actual value in any unit}}{\text{base value in any unit}}\)
4
\(\frac{\text{actual value in any unit}}{\text{base value in the same unit}}\)