Use "proffers" in a sentence

1. Confused at the grace that so fully he proffers me.

2. I was hoping to find some evidence that third party advertising proffers unfair advantage during elections

3. After Dr. Coppelius proffers him some wine laced with sleeping powder, Franz begins to fall asleep.

4. The Andalusian method is an electronic acoustical device that proffers a cheaper, simpler mechanism that is more effective, and efficient.