Well, if someone starts to increase these people's salary by 10% at the morning, and then decrease their salary by 10% at the evening, on the same day, every da

Well, if someone starts to increase these people's salary by 10% at the morning, and then decrease their salary by 10% at the evening, on the same day, every day, then all these people are going to figure out the math pretty quickly I'm sure. :)