You are developing a model to identify the factors that lead to sales conversions for your customers. You have completed processing your data. You want to continue through the model development lifecycle. What should you do next?

A. Use your model to run predictions on fresh customer input data. B. Monitor your model performance, and make any adjustments needed. C. Delineate what data will be used for testing and what will be used for training the model. D. Test and evaluate your model on your curated data to determine how well the model performs.