Discussion: In Defense of 3D Formulas and Formatting Workbooks Describe situations in which a workbook might contain multiple detailed worksheets. Describe a situation where a consolidated worksheet would be useful. Create a brief outline to explain 3D references in formulas. What are the important elements you would include in the outline? Use your example in response to Question 1 above as the basis of your answer to this question. Name two to three situations in which creating a custom format code is a good idea, and explain why.