How to calculate the cost of Internet celebrity light boxes when setting up carts and stalls?

The price of Internet celebrity light boxes for push cart stalls is calculated based on material, size, and quality. A double-sided one of 50 times 120 centimeters costs 200 yuan. Generally, the price is 100, 150, 200, etc. if it is no more than 120 centimeters. The larger one is 180 to 240 per square, which is calculated as a single side, and double-sided is 2 times more. There are also many kinds of light boxes, including ultra-thin light boxes. Different quality and price are different. From the light source, LED lamp curtain, shell material, and power supply, these different qualities have different prices.