First, Celine wants to assess the competitive situation in the cosmetics market. She has the following data for 2019: Competitor Nivea L'Oreal other Turnover ( billion) 10 billion 12 billion 8 billion a) Please first calculate the market volume (2 points). Then calculate the market share of the three relevant market actors (3 points). Which assertion can be derived from this (1 point)? b) Based on these market figures, Celine has decided to launch her make-up line together with L'Oreal. The first step is to generate concrete product ideas. Celine and L'Oreal have decided to use the lead user approach for this. Please characterize this first (2 points). Which stakeholders could be lead users in the make-up market (2 points)?