If I have an amount of money, do I have to compare it to the Nisab of gold or Nisab of silver ... i.e., what is the Nisab of the local currency???

Now if we know the exact amount of shortfall and replaced it, is it permissible to sell it? In other words, if the ripe dates (ruTab) weighed one kilo, and when it turns into dried dates (tamr) it becomes 900 grams, may we sell 900 grams of dried dates for the price of one kilo of ripe dates? If the answer is no, what is the benefit of in saying…

I have a 400-square-meter facility with a carpentry machine. One of the people came to buy the machine and I agreed to sell it. Then he asked me to rent out the facility for him to keep the machine he bought from me in its place and work on it in the same place.

Someone owes a large sum of money to a group of dealers. Another person offered to negotiate with these traders and expedite payment of their rights from his own pocket in return for lowering the value of the debt. The deductible amount shall then be distributed after the reduction by a certain percentage between him (mediator) and the debtor, i.e. the proportion between the mediator and the debtor shall be…