



 
Hi Simo, I assume the plate is of uniform thickness so $2500 \times 8000$ square mm cost $\$7693.00.$ Thus the plate costs \[\frac{\$7693.00}{2500 \times 8000} \mbox{ per square mm.}\] Hence $1000 \times 1000$ square mm cost \[\frac{\$7693.00}{2500 \times 8000}\times 1000\times 1000 = \$384.65.\] I hope this helps,  


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