Among the following statements which are the correct ones.
A. Tata Steel experienced the highest percent decline in R & D expenditure in any single year during the given period.
B. Of all companies which incurred R & D expenditure every year during 2001-2003, total R & D expenditure / total sales was the highest for Dr. Reddy’s Laboratories Ltd.
C. During 2001-2003, in terms of sales growth, the best performer in the pharmaceuticals sector fared better than the best performer in the iron & steel sector.
D. Videocon International Ltd experienced the second largest percent decline in salaries & wages in any single year during the given period.