He bought a piece of land by instalments in order to trade it; how should he pay zakah on it?

Zakaah on usurped wealth

If he bought some land then sold it because he needed money, does he have to pay zakaah?

Should he pay zakah on shares that were given to him by the company and over which he has no control?

Is there any zakaah on my advertising business?

He has a pharmacy and one full year has passed since he acquired it; how should he pay zakaah on it?

If a person buys land in order to protect his wealth, does he have to pay zakaah when one year has passed?

Zakah on shares in a company that has not yet been launched for four years

How to work out the zakaah for commercial companies

He put his building up for sale and sold it a year later. Does he have to pay zakaah on it?