1. _____ is not a cost driver representing an ability to bear philosophy.a. Revenue of each divisionb. Cost of goods sold by each divisionc. Total cost before central cost allocation in later divisiond. Usage2. _____ is least likely to be a cost driver as a basis for applying overhead costs.a. Direct-labor costb. Indirect labor hoursc. Machine hours d. Production setups3. The excess of actual overhead over the overhead applied to products is called _____.a. over applied overheadb. under applied overheadc. overestimated overheadd. prorated overhead4. _____ is (are) used for external reporting.a. Absorption costingb. Variable costingc. Direct costingd. Absorption costing and variable costing