Answer:
Not receiving a passing grade in a required class
Explanation:
The money can be borrowed through a loan.
Losing interest in a class that is important to the career maybe means that the career is not for you and other choices may sound more appealing.
Finishing college in five years instead of four is not an educational obstacle as you have the opportunity to continue your education and learn more (which is an advantage actually). However, struggling to achieve a passing grade in a required class can prevent you from taking your education further as you are not meeting basic requirements and this would be considered an educational obstacle.
