four short answer questions in cost management accounting cost volume and cost function

Q1. Analyze some examples of relevant and irrelevant Cash Flows for one Saudi Company?

Q 2 a – Discuss why managers estimate a cost function and use Cost volume Profit analysis? Give numerical example of cost function and Cost Volume Profit Analysis and analyze how it will be used by managers?

b- Suppose actual costs are higher than estimated cost. Analyze why you may have this difference between actual and estimated costs?

Q 3 Altawfik Corporation is estimating the cost function for total cost of production of product A using the two points method.

Q 4 Give one example of Saudi companies using job costing and one example of Saudi companies using process costing and discuss the difference between them?