please answer all questions correctly and give explanations. will give a thumbs up if correct

QUESTION 10 A manager of a cost center is evaluated on the basis of how well costs are controlled O True O False QUESTION 11 Profit centers are established if the responsible manager can influence both costs and revenues True O False QUESTION 12 More costs become controllable as one moves down to lower level of managerial responsibility O True O False QUESTION 14 The Operating Budget is typically focused on what time period O 5 years O 1 year O 3 years O 2 years QUESTION 15 A static budget is based totally on prior year's costs. based on one anticipated activity level O based on the range of activities O none of the above QUESTION 16 Flexible budgets typically change which costs O All costs O Fixed Costs O Variable Costs QUESTION 17 Differences between budgeted and actual amounts are called: O Deviations O Variances O Differential Amounts O Discrepancies QUESTION 18 Budget difference must always be investigated by management to achieve effective control. True O False QUESTION 19 A benefit of budgeting is that it provides definite objectives for evaluating performance True False QUESTION 20 Companies generally obtain sales forecasts from many different sources O True False