This guide outlines seven essential activities for finance and accounting professionals in manufacturing companies, focusing on product costing, profitability, inventory valuation, process costing, variance analysis, and budgeting. It emphasizes the importance of accurate, granular data for informed decision-making and provides insights into the use of the Impactecs platform for managing cost and profitability models. The platform aids businesses in creating detailed financial models and adjusting variables to assess their impact on performance.