if this wud help u...
*private cost are the firms own cost arising out of a business decision.e.g rent,wages
*external cost are the cost disadvantages incurred by the society caz of a business decision.towards which no payment is made.e.g pollution
*private benefits are the firms own benefits arising out of a business decision.e.g profit
*external benefits are the adv.the society gets caz of a business deciosion.e.g new roads..new street lyts..
social cost= PC + EC
social benefits = PB + EB
hope it helps....>>>>>>>>>>>>yep dude this helped thx...By the way does services come under external benfits....and what are the possible conflicts between government aims. sum 1 plz anser this...