I think a 50/50 split of rewards is a very good option (I am talking about this for people who want to earn a little bit more from it like myself). Because it gives you a little bit of reward for the hard work you do and you can use that money in your daily expenses and put some part on power up which makes your account worth and to be very honest, there's no option that anyone can say is bad, all the options are great in their own way.