Plate making research depends on the size of the product. If the color box is small, you can put many boxes on one plate, so you can print and cut. The cost of printing plates varies according to the size, usually the first set of dozens of editions.

In fact, there is not much difference between three colors and four colors, and the starting cost is the same. Three colors and four colors are all printed on a printing machine with four colors or more.

The more boxes, the lower the unit price.

P usually refers to books and periodicals, and 1p refers to page numbers, not font sizes.