omg i just realised u and i got different sets coz it is not the same question… anyways am sorry for wasting your time but you have been really kind to me… Thank you nonetheless…
Well in that case it’s helped to put your mind at rest which is good … and it’s given me the chance to properly reflect on the overall question… which I’m now feeling better about because I think I was overly focused on the bits of calculation that were tricky. Best of luck … we’re both close to the finish line where we can start can start to enjoy life without having to manage everything around exams and studying lol !!