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## Digital equivalent access lines 

are derived by converting low capacity data lines (DS-3 and lower) to the equivalent number of voice-grade access lines. 

ARPU (average revenue per unit) and ARPS (average rev- enue per subscriber) represent a measurement of the average revenue generated by each unit or subscriber, expressed as a rate per month for the year. 

Churn is the rate at which existing subscribers cancel their services. Churn is calculated as the number of subscribers disconnected divided by the average subscriber base. 

## Costs of acquisition (COA) 

are also referred to as subscriber acquisition costs. This measure is expressed per gross activation. It includes costs associated with acquiring a customer such as hardware sub- sidies, marketing and distribution costs. 

## Annual Operational Information 

The table below shows selected data on our operations from 2002 to 2004. 

<img src='content_image/97643.jpg'>

