Question 25 (2 points) Operating leverage involves the proportion of product versus period costs. proportion of direct versus indirect costs. proportion of fixed versus variable costs. proportion of debt versus equity on the Balance Sheet. Question 43 (2 points) What is the nature of a sell or process further decision? It is an incremental revenue decision It is an incremental cost decision. It is both an incremental revenue and incremental cost decision. It is neither an incremental revenue nor incremental cost decision