Naji is an entrepreneur, and he has a promising investment proposal, but he lacks initial cash; therefore, he signed a seven-year mudaraba contract with Al Salam bank. Al slam bank provided the whole twenty thousand Bd. And it was determined that the contract would expire automatically at the end of the period if it was not terminated by mutual agreement prior to the sale of an illiquid asset. The agreed profit ratio was 40:60

Q: Relate and adapt the circumstances in which the Mudarib can freely invest the rub almal capital without control.