I have felt which is 3.25 usd per kg and 500 gr/m2, 
EVA Film which is 0.2 euro per m2 and 
pvc barrier material which is 1.2 usd per m2. 

My piece width is 930mm and roll length is 50mt. 

How many pieces of the product with outer dimensions 450x500mm and what is the material cost? Provide your response in exactly 4 paragraphs (separated nearby paragraphs with 3 aterisk symbols ***).
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