I'd do it at 20%. 20% less time, so 20% less salary. My hourly rate is still the same. This assumes I'm paid hourly and my performance review should reflect tha

I'd do it at 20%. 20% less time, so 20% less salary. My hourly rate is still the same. This assumes I'm paid hourly and my performance review should reflect that. The whole compensation scheme should change if my performance would be about impact.