In case of which soft drink was the average annual sale maximum during the period 1988-1993?

Average annual sales during 1988 - 1993
  Cool up
$$\eqalign{ & = \frac{25 + 6 + 19 + 15 + 25 + 30}{6} \cr & = \frac{120}{6} \cr & = 20 \text{ lakh bottles} \cr & \text{Pep up} \cr & = \frac{30 + 35 + 30 + 25 + 20 + 20}{6} \cr & = \frac{160}{6} \cr & = 26\frac{2}{3} \text{ lakh bottles} \cr} $$