Q4. a) How is job costing used in the service sector and manufacturing sector? (1 Marks)

b) Referring to the concept of job costing in the manufacturing sector, what are the journal entries a manufacturing company must record to show the flow of costs? Explain and analyze your answer by providing examples of one Saudi company that uses job costing. (3 Marks)

Note: Your answer must include a suitable example showing all the necessary journal entries.

I need the reference if available