{include file="header.html"} {include file="calendar_js.html"}
{t}income{/t}{t}money earned by network, e.g. in result of sale network devices to customers{/t}
{t}expense{/t}{t}money spent by network, e.g. to acquire physical assets, ISP payments, etc.{/t}
{t}customer payment{/t}{t}money that payed customer for subscription{/t}
{t}customer covenant{/t}{t}customer account covenants, e.g. extra service charge{/t}