Is this sentence using al, da and i caffè correct?
I am trying to translate the sentence "That is the man who buys coffee at Rao's Coffee."
1.) Should it be "al Rao's Coffee" or "da Rao's Coffee"?
2.) Should it be "dei caffè", "i caffè" or just "caffè" when speaking about coffee in general in a formal context?
This is what I have so far:
Quello è l'uomo che compra i caffè al Rao's Coffee.