Start Level 1 Node: Product ProposalsProduct ProposalsEnd Level 1 Node: Product Proposals
   Start Level 2 Node: Method SchemaMethod SchemaEnd Level 2 Node: Method Schema
   Start Level 2 Node: Top n Product ListsTop n Product ListsEnd Level 2 Node: Top n Product Lists
      Start Level 3 Node: Top n Product Lists and Product ProposalsTop n Product Lists and Product ProposalsEnd Level 3 Node: Top n Product Lists and Product Proposals
      Start Level 3 Node: Working with Top n Product ListsWorking with Top n Product ListsEnd Level 3 Node: Working with Top n Product Lists
   Start Level 2 Node: Cross-Selling, Up-Selling, and Down-SellingCross-Selling, Up-Selling, and Down-SellingEnd Level 2 Node: Cross-Selling, Up-Selling, and Down-Selling
      Start Level 3 Node: Product Association RulesProduct Association RulesEnd Level 3 Node: Product Association Rules
      Start Level 3 Node: Working with Product Association RulesWorking with Product Association RulesEnd Level 3 Node: Working with Product Association Rules
      Start Level 3 Node: Creating Up-/Down-Selling RulesCreating Up-/Down-Selling RulesEnd Level 3 Node: Creating Up-/Down-Selling Rules
      Start Level 3 Node: Product Proposals for Non-Business PartnersProduct Proposals for Non-Business PartnersEnd Level 3 Node: Product Proposals for Non-Business Partners
      Start Level 3 Node: Cross-Selling Rules ExamplesCross-Selling Rules ExamplesEnd Level 3 Node: Cross-Selling Rules Examples
      Start Level 3 Node: Up-/Down-Selling Rules: ExampleUp-/Down-Selling Rules: ExampleEnd Level 3 Node: Up-/Down-Selling Rules: Example