Currently im doing erd and realize that i have two same attribute in one table

So the detail is I am developing bookshop system, so I have two tables that have relation with my project. First one is table book which has price attribute, same goes with table stationary and it has price attribute too so my q开发者_运维问答uestion is since both of them have price attribute inside it so they will be foreign key right? and should I create price attribute for book table as BookPrice while stationary StationaryPrice?

I am expecting for suggestion of my book and stationary table for prices attributes