Generally speaking, the design fee is 200 yuan per screen, and printing depends on your printing volume. (A5 size)

Take that 20-page color picture book as an example.

If 1000 copies are printed, each copy includes the design fee of about 6.8 yuan.

If 5000 copies are printed, each copy includes the design fee of about 3.8 yuan.

If 10000 copies are printed, each copy contains the design fee of about 1.8 yuan.

If there are many, it can be as low as 1 yuan.