Evaluate whether each statement is true or false. 1. On a CVP graph, a decrease in units sold makes the revenue line shift down. [Select ] 2. Cost behavior is predictable within the relevant range of production. [Select ] 3. On a CVP graph, increasing sales commission will shift the total expense line up. [Select ] 4. If we know the variable expense ratio, we have enough information to solve for contribution margin ratio. [Select] 5. Total contribution margin is computed by taking sales less costs such as direct materials, shipping expenses, and total manufacturing overhead. [Select]