Prime Demand Publishing prints textbooks as ordered by their internet-based customers. Each book is printed and shipped within one hour of the time it is ordered. As a result, the company has no work in process or finished goods inventory. Evaluate the following items and determine the nature and type of cost, using the available pick lists associated with boxed areas in the first two columns below. A correct selection will turn the applicable boxed area green. Nature Type Items Paper used for printing books Depreciation of printing press Labor used to bind the books Janitorial labor for print shop Advertisements run to generate sales Cleaning fluid and rags to wipe down the press Management sales