You assume there's code, and not an Excel sheet. More generally, who's doing the reviewing, and do they have the skillset needed (and how are they being compen

You assume there's code, and not an Excel sheet. More generally, who's doing the reviewing, and do they have the skillset needed (and how are they being compensated)? Additionally, are they limited to just the code provided, or are they going to review any libraries (who covers the cost of any purchases?) or external code?