Answer and Explanation:
The variable manufacturing overhead costs are indirect manufacturing costs of an organization that change as the level of production or sales change such as factory power. Fixed manufacturing overhead costs differ from the former as they are indirect but do not change with change in production level or sales
Planning and control of variable manufacturing overhead costs encompasses both long-run and short-run focus. It involves solutions planning for overhead activities that add value which takes the long-run view while managing the cost drivers of those activities efficiently is the short run aspect of planning and control of variable manufacturing overhead costs. On the other hand planning and control of fixed manufacturing overhead costs have primarily a long-run focus.