Need 1 song mastered

Hope you're well! I just wanted to check on pricing is for mastering a song. We're still finishing the mix at the moment as we're in the middle of retracking drums and vocals. It's a worship-style track, and once the mix is complete we'd love to send it your way for mastering. Would you be able to let me know your pricing for mastering a single song, as well as the usual turnaround time? thanks heaps!