During the period 1995 – 2000, the minimum rate of increase in sales is in the case of:
Bournvita
Boost =(96.34−40.3)40.3×100=139.06%
Horlicks =(74.32−11.86)11.86×100=536.76%
Complan =(58.28−29.94)29.94×100=94.66%
Bournvita =(24.42−15.74)15.74×100=55%
Protinex =(20.38−10.02)10.02×100=103.39%
Thus, the minimum rate of increase in sales is in the case of shampoo.