The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is______________________?

A. 29.27 kgfm/mol°K
B. 8314kgfm/mol°K
C. 848kgfm/mol°K
D. 427kgfm/mol°K
E. 735 kgfm/mol°K