A government body grants M.A and Ph.D. grants to distinguished students in Jordan, and these cover registration and credit hours fees. This is in addition to offering them salaries in return for dedicating their time and effort in studying. They do not have to repay these funds as long as they honor the conditions stipulated in the grant`s agreement, and some of these conditions are: a student must maintain an excellent mark record, and in case he/she fails to do so, then he/she must give back all of the paid funds in addition to a 50% of the total sum as a fine. What is the ruling on repaying the funds of the grant in case of failure to honor the conditions stipulated in the agreement, and what is the ruling on paying 50% from the total as a fine ?