I need all questions explanation

1 . The case study of Victor automobile with keywords and define essences of any responsibility centre with figure and also it's purpose ,types ?

2. Critical issue under responsibility accounting with expense centre and revenue centre , discretionary expense centre with examples ?

3. Other characteristics with reference to engineering /standard cost and discretionary costs and control aspects of some discretionary expense centre , marketing centre , research and development centre, profit centre with examples ?

4. Sales and other Major revenue & controllable variable cost & controllable contribution margin & controllable fixed cost with examples ? Controllable segment margin & attributable segment costs with examples ?

5. Illustration showing the use of profit centre performance evaluators and investment centre and what are the cost for which a technical relationship can be established between cost and output know as ? And which one is a special type of profit centre in which apart from profit the management attention is also focused on the assets employed in earning the profit know as ?

please write a correct answer