What is the best way to: How do I spray with polyurethane?

Pick from:
A). Polyurethane comes in spray paint bottles. After purchasing a bottle shake it and spray it about a foot away from the surface and let it dry according to the instructions on the bottle before repeating..
B). Polyurethane comes in spray paint bottles. After purchasing a bottle shake it and spray it about 6 feet away from the surface and let it dry according to the instructions on the bottle before repeating..
Answer:
A).