Decision making with job order costs Colfax Manufacturing Inc. is a job shop. The management of…

Decision making with job order costs

Colfax Manufacturing Inc. is a job shop. The management of Colfax Manufacturing uses the cost information from the job sheets to assess its cost performance.
Information on the total cost, product type, and quantity of items produced is as follows:

a. Develop a graph for each product (three graphs), with Job No. (in date order) on the horizontal axis and unit cost on the vertical axis. Use this information to determine Colfax Manufacturing’s cost performance over time for the three products.

b. What additional information would you require to investigate Colfax Manufacturing’s cost performance more precisely?