Rita HazanTrue Color Ultimate Shine Gloss,5 oz

Is this a 3 oz or 5 oz bottle? It is listed as 3.4 oz but $5.20an oz, which would be for a 5 oz bottle.

Does the brown give warm tones? Does breaking brass help cool brown tones?

What is the Difference between breaking brass and clear? I have dark hair with light highlights

How many applications is in the bottle? Is it only one?