It's urgent

[A.Rahman SH]

Hi guys , I am intending to take AS Level in Islamic studies and sociology in nov.oct 2014 , I want also to take third subject but Iam confused over business studies and economics . Please tell me which one of business or economics will be suitable for me because I want to take in oct.nov 2014 ,around six months are left so tell me which subject I will able to cover I six months . I will register as private candidate waiting 4 ur precious advice