A new component part is being considered to be injection molded. It is a rectang

Question

A new component part is being considered to be injection molded. It is a rectangular shaped part which is 3.750”L x 2.875”W x 1.624”H. The two materials that would function are ABS Polymer Thermoplastic and PVC Thermoplastic. Cost is critical so an evaluation of material volume for producing 325,000 parts needs to be performed. With ABS plastic costing $0.173/in3 and PVC costing $0.162/in3, what would the cost difference be between the two materials and which would be the most economical to use and what would the annual difference be?

Explanation / Answer

The volume is

V =LBH = 17.509 in^3

For ABC

Cost = no.of unit*cost per unit volume*Volume = 325000*0.173*17.509 = 984429.5 dollars

For PVC

Cost = 325000*0.162*17.509 = 921835.5 dollars

So

PVC is most economical

The difference = 984429.5-921835.5 = 62594 dollars

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