whiCh oF thE Following stAtEmEnts lEAst ACCurAtEly DEsCriBEs why Firms CAn CoorDinAtE EConomiC ACtivity morE EFFiCiEntly thAn mArkEts Firms CAn AChiEvE:
A．

A. EConomiEs oF sCopE.

B．

B. DivErsiFiCAtion BEnEFits.

C．

C. EConomiEs oF sCAlE.