Rearrange the following five sentences (A), (B), (C), (D) and (E) in a proper sequence so as to form a meaningful paragraph, and then answer the questions given below.

A. Besides, they render valuable help in policy matters regarding free trade

B. They give some insight into how trade policy changes will affect the sectoral composition of output and employment

C. They are not in themselves designed to provide direct inputs but really to serve as background as to the sectors that will be most favourably or most unfavourably affected by policy

D. Free trades has distinct benefits. These benefits are well accepted all over

E. Economic models like the computable general equilibrium model are mostly valuable in policy formulation as.