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How to calculate the price and unit price of plastic characters on advertising signs?

Price? 200 yuan/square meter of luminous characters on the front of acrylic plane, 250 yuan/square meter of plastic suction luminous characters, 450 yuan/square meter of plasma punched characters, 0.3-0.5 yuan/cm of PVC characters with thickness of 1cm, 0.5-0.7 yuan/cm of PVC characters with thickness of 2cm, 0.5-yuan/cm of PVC characters with thickness of 3cm, and crystal word 1-2 yuan.