If you have a look at the rating formula of a company ((073)) pay the attention to the value of USD p/d,- if it is a considerable one, the company with such rating will be placed at the higher position in comparison with the one which has USD p/d=0 (absent in formula).

The reason should be clear without any explanations:

• The money of these companies is the source of the Catalogue existence ((116))
• The users are interested to see this information in the first turn. Nobody is going to pay for placing of useless information, so it is worth to have a look at.

Placing of paid information (advertisement) (015).

Efficiency of such placing View Statistics & View Statistics.

USD p/d is calculated by division of the sum, paid for placing of information (advertisement) on the period of its placing ((173)).

If payment is paid only once, USD p/d is calculated (143).

You can earn the money for placing of information (advertisement) yourself ((235)).