I’ve made big mistake! I study wrong subject for my exam. Even I cannot believe I done this mistake!

Day before the exam, I’m online chatting with my friend Stanley, I get shock when I realise that I refer to wrong subject for coming examination. I use one day study Audit paper without doing a question at all, I don’t think I can pass this round.

I’ve made every effort for a day study. I wish and hope that…. I can pass the paper.