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.
It depends; If you're faxing the out-dated way which includes the use of a fax machine, fax line, paper and ink and so on you're looking at: $20 - $50 a month. If you're faxing the modern way through the use of an online fax service you're looking at about: $6 - $10 a month. https://www.wiredfax.com/traditional-fax...