Assertion: The plot of volume `(V)` versus pressure `(P)` at constant temperature is a hyperbola in the first quadrant.
Reason: `V prop 1//P` at constant temperature.
A. If both A and R are true and R is the correct explanation of A
B. If both A and R are true but R is not the correct explanation of A
C. If A is true but R is false
D. If both A and R are false