The document discusses analyzing sales and marketing costs through various techniques. It describes how marketing audits, sales force audits, sales analysis, and marketing cost analysis can be used to direct marketing efforts, evaluate performance, and isolate problem areas. The goal is to concentrate resources in the most profitable areas by understanding factors like costs, sales volumes, product lines, territories, and customer groups. These analytical tools provide insights to make informed decisions about areas like resource allocation, distribution channels, product mixes, and salesforce management.