This report provides an overview of the gross profit of incoming orders by product category. The report is available in SAP S/4HANA and can be accessed in the 'Analytics' tab in the SAP Fiori Launchpad. According to the SAP.com study resources, this report 'provides details of the gross profit of incoming orders by product category. It is based on the order profit, which is calculated by subtracting the total cost of goods sold from the total amount invoiced. The report includes the following fields: order number, product category, gross profit, and total cost of goods sold.'

According to the SAP Business ByDesign Help Center, the following technologies can be used to connect external systems and applications to SAP Business ByDesign:

1. Custom OData services: SAP Business ByDesign provides a flexible platform for creating custom OData services that allow you to expose your own data and business logic to external systems and applications. You can use custom OData services to integrate SAP Business ByDesign with other applications and services, such as mobile devices, cloud services, and web-based portals.

2. Web service APIs (SOAP): SAP Business ByDesign provides a comprehensive set of web service APIs that use the Simple Object Access Protocol (SOAP) to exchange data between SAP Business ByDesign and external systems. You can use these APIs to integrate SAP Business ByDesign with other applications, such as CRM systems, ERP systems, and custom-built applications.

3. OData APIs for reports and data sources: SAP Business ByDesign provides OData APIs for accessing reports and data sources in the system. You can use these APIs to extract data from SAP Business ByDesign and integrate it with other applications and systems, such as data analytics tools, business intelligence systems, and data warehousing solutions.

The correct answer is B. The partner company corresponding to company 'B'. When selling goods to company 'B', you can use the partner company corresponding to company 'B' as the account in company 'A'. This is because the partner company is the parent company with the highest level in the organizational structure and is responsible for the overall business activities of the company. According to the SAP.com study resources (https://help.sap.com/viewer/25e0947a6a7d4ed2a5a9f90a5ae547f3/1905/en-US/3c3f3a3efd9e48f9ae0f14b837f73cac.html),the partner company is the account that is used in the sales order when selling goods to another company.