Red Devils produces a soft drink which it distributes to a range of retailers. In addition to the costs of producing the product, Red Devils has identified a number of customer-related costs, as shown below. Red Devils has collected the following data to facilitate a customer profitability analysis for its four largest customers. 1. Calculate: - Gross profit (\% of sales value) for each customer. - Net profit (\% of sales value) for each customer. 2. Comment on your results, and say which customer(s) Red Devils would find most attractive