Zakaah on stagnant real estate shares

He has put his car up for sale but he is using it for now until he finds the right price. Does he have to pay zakaah?

How should he pay zakaah on a car if it stayed in the showroom for three years and its price has fallen?

He lent money to some of his colleagues and bought shares in some companies – how should he pay zakaah?

He inherited some land then he put it up for sale – does he have to pay zakaah on it?

He deals in an’aam animals and in some cases one full hijri year has not yet passed. How should he pay zakaah on them?

Is zakaah due on business premises?

He is asking about paying zakah on the profits of a company only

Are printing materials subject to zakah?

Is the value of trade goods based on the selling price or the purchase price?