According to the recommendations in the video "How to Approach a Case" (in the case study material section), which of the following statements is correct? When approaching a case, start with assessing the environment (e.g , through the use of a P.E.S.T.L.E analysis) When approaching a case start by establishing assessment criteria When approaching a case study, start with an assessment of the companies strengths and weaknesses (for instance by using a SWOT (or TOWS)analysis) When approaching a case start with an analysis of the competitors and customers (for instance by using Porter's 5 Forces model)