Letson Manufacturing Inc. is a job shop. The management of Letson 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 Letson Manufacturing??s cost performance over time for the three products.b. What additional information would you require to investigate Letson Manufacturing??s cost performance moreprecisely?

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Quantity Date Job No. Product Amount $ 6,000 Jan. 2 Jan. 15 Feb. 3 Alpha 240 8,800 22 1,100 Beta 38 800 Beta 8,000 Alpha 8,800 Mar. 7 56 400 Mar. 24 65 1,500 Gamma 6,000 May 19 June 12 74 1,750 Gamma 10,500 Alpha 87 350 6,300 Aug. 18 Sept. 2 92 2,200 Gamma 19,800 100 600 Beta 4,800 500 Alpha Nov, 14 110 7,000 Dec. 12 24,000 116 2,000 Gamma