Some costs, such as a dedicated field service agent, might be specific to a given customer. How does the cost hierarchy accommodate these customer level costs? Describe decisions for which grouping...

Some costs, such as a dedicated field service agent, might be specific to a given customer. How does the cost hierarchy accommodate these customer level costs? Describe decisions for which grouping costs per an alternate hierarchical classification (i.e., by customer rather than by product) might be useful.