Which of the following statements is most correct about step costs? Multiple Choice O they are used in financial reporting and tax accounting purposes O they vary in direct proportion to changes in the level of activity O they are excluded from consideration in budgeting O they are sunk costs O they have the same behaviour as fixed costs between certain levels of activity Which one of the following statements is associated with process costing? Multiple Choice measures the efficiency of activities and determines whether we can take steps to reduce non-value-adding activities. appropriate for customized products measures and reports non-financial measures of quality such as defect rates O suitable for products produced in a non-repetitive, small batch production environment O O suitable for large numbers of identical products produced in a continuous-flow manufacturing environment