Answer:
Option B
Explanation:
Sales of 5 companies in 2001-02=4851.86
Sales of 5 companies in 2002-03=4139.43
The percentage change in the overall sales turnover of the five companies together between 2001 - 02 to 2002 - 03
=$\frac{4851.86-4139.43}{4851.86}\times 100=14.68%$
