Cost classifications used for assigning costs to cost objects include: Multiple Choice Variable cost and fixed cost. Direct cost and indirect cost. Product cost and period cost. Relevant cost and irrelevant cost. Cost classifications used for predicting cost behavior include: Multiple Choice Variable cost and fixed cost. Direct cost and indirect cost. Product cost and period cost. Relevant cost and irrelevant cost. Cost classifications used for preparing financial statements include: Multiple Choice Variable cost and fixed cost. Direct cost and indirect cost. Product cost and period cost. Relevant cost and irrelevant cost. Cost classifications used for decision making include: Multiple Choice Variable cost and fixed cost. Direct cost and indirect cost. Product cost and period cost. Relevant and irrelevant cost