4 days for 80%, maybe. It depends greatly where you are in life. But as you also state, i wonder if, due to Parkinson’s Law, that it would be mutual beneficial

4 days for 80%, maybe. It depends greatly where you are in life. But as you also state, i wonder if, due to Parkinson’s Law, that it would be mutual beneficial for all both employers – and employees – to work 4 days for 90% of the pay?