Differentiate between (a) C.W.O and C.O.D 2 (b) F.O.B and F.A.S

C.W.O –  Cash with order – The buyer  must  pay for the goods when he makes an order.

C.O.D –     Cash on Delivery –  Payment is effected when goods are delivered to the buyer.

F.O.B – Free on board . Prices  quoted includes expenses  from the sellers warehouse up to the docks .