Help for education and complete BBA

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Hello peace be upon dear viewers I am a student of an university as I am doing BBA in a well known university of Bangladesh this will be my last semester as still I am having one semester left which will be consist of 4 subject each subject cost around $174 dollars and semester fee is about to around $77 dollars . As I managed to bare all the costs of my previous semesters as well as it should be but in this semester I faced some problem regarding my small business due to some unfavorable condition like loses and get cheated by someone that's why I couldn't earn a good amount of money to cover my semester which will be starting from January of this 8th (last date of registration) still I am trying my best to get the amount the total cost will be $174x 4 + $77 dollars = $773 dollars I collected only $320 dollars from my small business in a short time I would like to collect all the money but there is only a short time remaining starting my semester I will need more $453 dollars for my last semester to complete my BBA . as still i am trying my best to collect the amount but I dont know how much I can collect . I would like to inform you that In Bangladesh collecting money is almost impossible by easy way there is no small Jobs also Banks don't give loans to students even students are not able to do any legal agreement for any purpose . I can only promise you that I will return the money when I will be able to earn the enough money and will donate the same amount I will be getting from donation . please help me !