When are companies likely to use a job costing system or process costing system? Describe the specific characteristics of each system and provide.

When are companies likely to use a job costing system or process costing system? Describe the specific characteristics of each system and provide. Explain why Exxonmobil Corp and Agrana Group considered a process costing and give me at least 3 scholarly or journal articles for each company. Explain why budget blinds company and D. R. Horton Company considered as a job costing, give me at least 3 scholarly or journal articles for each company.