Want to increase sales sucess by 37%

It doesn't sound like rocket science but if you invest in happier employees then you will get more out of people, but its a proactive mentality and in these times with the recent shift in focus with COVID then I wonder if its the first item on any agenda that gets dropped. Maybe this is the time to change and get some of these benefits? Optimistic and happy people have been found to be; - 37% more successful in sales - 3 times more creative - 19% more accurate - Up to 10% mor