In which of the following cases there is NOT partnership ?uy
(I) A & B buy 100 bales of cotton agreeing to divide these between them.
(II) (I) A & B buy 100 bales of cotton,which they agree to sell for their joint account and to share the profit or loss.
(III) A & B are joint owner of a house. They rent it out to C and divide the net rent equally.
(IV) A is a publisher. He agrees to publish at his own expense a book written by B, and to pay Y half the net profits.