This is a non$-$programming assignment that uses simple examples to re$-$enforce the concepts of serializability and $2-$Phase and $3-$Phase commit protocols. You need to provide answers for questions that follow. Please: $$ Provide your answers in a PDF file produced, preferably, from this document. $($Transaction graphs may be pictures of hand$-$drawn graphs on paper.$)$ Submit on Brightspace in the usual way. Appeal process Although we do strive for consistency and correctness in marking, we are all humans and mistakes can be made. If you feel that your assignment has not been marked appropriately, you may appeal it within a certain time frame. In short, when appealing your mark, whether for an assignment or a quiz$/$test$,$ you need to describe specifically which part was marked wrong and why it was marked wrong while making references to the parts of your answer $($e$.$g$.,$ identifying statements or code parts$)$ that were marked wrong and stating why it was marked wrong. Please see instructions on Brightspace re appealing your