Why would a manager want to calculate the sale-mix and the sales-quantity

Why would a manager want to calculate the sale-mix and the sales-quantity 1. List at least three different levels of costs in a customer-cost hierarchy and an example of each. 2. Why would a manager perform customer-profitability analysis? 3. Why would a manager want to calculate the sale-mix and the sales-quantity variances? Market-share and market-size variances? Business Management Assignment Help, Business Management Homework help, Business Management Study Help, Business Management Course Help