Well, there are several elements in art including: space, texture, color, form, shape, and of course tone. Lets use space. Space is what gives your photo depth. All pictures should have a foreground, middleground and background. You can use space in your photography by having negative and positive space, allowing the viewer to move their eyes all around the photo.
Hope that Helps!
Answer:
contribution margin method :)
I have not yet used this but maybe it will be a good answering source
The last one!! Good luck!
