What occurs when aggregating data for a member that is set as an expense type account to a parent that is set as an income type account?

When aggregating data from a member designated as an expense type account to a parent account that is classified as an income type account, the amounts from the expense account are added to the parent income account. This occurs because, in the financial consolidation framework, income and expense accounts are typically managed using a single overarching system of aggregation that reconciles different types of accounts.

This process allows for a more coherent understanding of the overall financial position of the entity, as it provides a clear view of total revenues by incorporating expenses, thereby affecting net income when analyzing the financial statements. In essence, this accumulation process enables the aggregation of expenses reflecting increases in the overall financial results of the parent entity.

Thus, the correct answer highlights the addition of amounts aggregated to the parent income account, which is an essential function when managing income and expense relationships in financial reporting and consolidation scenarios.