Desmond and Jane are working in the same department as marketing executives. They do not get along with each other. Their manager asks Jane to prepare a proposal for an upcoming product launch event. Desmond is not happy because he feels that he has been sidelined. Meanwhile, Jane prepares the proposal and prints a copy to be submitted to the manager. She leaves the document in her drawer at her workstation and locks it$.$The next day, when Jane arrives at work, she discovers that the printed copy of the proposal kept in her drawer is missing. Jane suspects that Desmond has something to do with it$.$What is the problem here$($give two$)$Provide one solution that could help Jane resolve each problem, and give two reasons to justify each solution.