Option 1: Correct. The File Import method is commonly used to load data into Oracle Profitability and Cost Management Cloud Service. It allows users to import data from external files into the application. Option 2: Incorrect. Data Pump is not a valid method for loading data into Oracle Profitability and Cost Management Cloud Service. Option 3: Incorrect. Data Loader is not a valid method for loading data into Oracle Profitability and Cost Management Cloud Service. Option 4: Incorrect. Data Integration is not a valid method for loading data into Oracle Profitability and Cost Management Cloud Service.