$92,000 Net revenue - $52,000 Variable expenses = $40,000 Contribution margin. This ratio is only used from the perspective of deriving the lowest possible acceptable price for a unit. In reality, a variety of other pricing concepts can be used to establish higher price points for products.
Steam OS is possibly the best, most known and used cross platform Linux gaming distribution based on  Debian Linux, it is an assortment of numerous entertainment software, you can think of it as a complete gaming platform for Linux.
a c 752 D Laptop. a c 250 4 Gaming. I would say either get one of the asus rog series laptops or an msi dominator series as they are the best for this price range. Stay away from the msi ghost and apache as they maybe thin but they are loud and will wear out quickly due to the size like the blade.