Sometimes the temperature does not decrease with height in the troposphere, but increases. Such a situation is known as a temperature inversion. Temperature inversions limit or prevent the vertical mixing of air.
Middle range machines can cost on average $400 and are often multi-function with copier and laser printer capabilities. Finally, high-end machines which offer high speeds, high capacity and high resolution come at a higher price-expect to pay $1000 - $2500 for such a fax machine.
Fax Machine Average Costs. Most business-quality fax machines cost anywhere from $400 to $2,000. On the higher end of that price range, youâll get a machine with features like multiple paper trays and greater memory.