Principles of course of business: It's Im: a. Bringing in on a voluntary basis, of resources , necessary for establishment and expansion of such activity b. Free use of profit, which stopped behind after payment of state payments c. Free choice of types of activity and Independent realization of all economic businesses d. All above mentioned

The correct answer is d. All above mentioned.<br /><br />The principles of the course of business include:<br /><br />a. Bringing in resources on a voluntary basis, necessary for the establishment and expansion of the activity.<br />b. Free use of profit, which remains after payment of state payments.<br />c. Free choice of types of activity and independent realization of all economic businesses.<br /><br />Therefore, all the options mentioned are principles of the course of business.