Monthly purchase volumes of grocery purchase of five clients across four supermarkets are give in the below table. a) What is the size of wallet of Customer A for groceries in Migros? b) What is the size of wallet of Customer B for groceries in Makro? c) What is the individual size of wallet of Makro for Customer C for groceries? d) What is the individual size of wallet of BIM for Customer D for groceries? e) What is the individual size of wallet of Carrefour for Customer A for groceries? f) What is the individual size of wallet of Carrefour for Customer D for groceries? g) What is the individual size of wallet of Makro for Customer E for groceries? h) What is the total share of wallet for Migros for groceries? i) What is the total share of wallet for BiM for groceries? j) What is the total share of wallet for Makro for groceries? k) Which client is the best for BiM based on the individual share of wallet? I) Which client has the highest potential for Carrefour based on the individual share of wallet