20 days
CEOs do less for a company than the average worker. A company can run for a long time without a CEO, but get rid of your finance team, IT team, production team, or customer service team (all of which are much cheaper than a single CEO) and see how long your company lasts.
Given how China just took all the money away from and sent to prison the CEO of evergrande, I’m starting to trust their apps more than american ones.