I love puzzle games, I like how they expand your knowledge and make you have to think.
If you want to support green computing, the most basic thing you can do is reduce your brightness. More light equals more energy consumption. That's why there are websites that are made as exact copies of other websites except they're entirely black because the color black spends less energy. You can also try to fix your things when they get broken instead of throwing them away instantly and buying a new one.
<span>To the computer f, this answer is because when reading the statement I assume that there is no type of connection and / or communication between the computer a and c; therefore to be profitable the computer c should return the package sending it back to computer f.</span>