Hey man, thanks for pointing this out. I've attached a more detailed solution. I got a bit lazy towards the end and also wanted to keep it within 2 pages, but I think this should do the trick. I was supposed to write the Q16 solutions on Sat night but I̶ ̶w̶e̶n̶t̶ ̶t̶o̶ ̶E̶l̶ ̶J̶a̶n̶n̶a̶h̶...