13. Which of the following staicmests is true? 1. To help assess bow well a matiager has controllod costs, achual costs should be compared to what the eoses should have bect for the actual level of setirity 2. Fixed costs should be ynored when evaluating how well a manager has controted costs. A. Only statement I is true. B. Only statement fl is trac. Q. Both satements are tros. D. Neither statement is trse: 19. Which of the following statemients is true? 1. If activity is higher than cxpected, total fixed costs sboald be bigher than cxpected if activity is Jower than cxpectod, total fixed couts ihould bo lower than cipectai, 2. In a flesible budget, when the activity dechines, the unit variable cost also deckinet. A.Only statemen 1 is sruct. B. Only statement II is true. C. Boch statements are true. D. Neither atatement is tepe