Charges
The following methods are used to work with charges:
- Get list of end-customer charges
 - Get end-customer charge
 - Get list of end-customer charges of downstream resellers
 - Get end-customer charge of downstream reseller
 - Get list of reseller charges
 - Get reseller charge
 - Get list of reseller charges of downstream resellers
 - Get reseller charge of downstream reseller
 - Add taxes
 - Close charges