anchor.diff:  
   === Capacity Billing
   
  -This example uses the https://github.com/killbill/killbill-docs/tree/4671dcd9da1cf021e85629ab67e3ffb6fb553bb1/catalogs/capacity-billing.xml[Capacity Billing] catalog.  It has a `water-monthly` plan with a `MONTHLY` recurring charge of `$30`. In addition, it also has a usage section with `usageType=CAPACITY`, `tierBlockPolicy=ALL_TIERS` and the following `tieredBlock` sections:
  +This example uses the https://github.com/killbill/killbill-docs/blob/5d5d7a2219752da8a0d9456cc5a975161388088c/catalogs/capacity-billing.xml[Capacity Billing] catalog.  It has a `water-monthly` plan with a `MONTHLY` recurring charge of `$30`. In addition, it also has a usage section with `usageType=CAPACITY`, `tierBlockPolicy=ALL_TIERS` and the following `tieredBlock` sections:
   
   [options="header",cols="1,1,1"]
   |===
  
positive.code: 
  === Consumable Billing with ALL_TIERS policy
  
  This example uses the https://github.com/killbill/killbill-docs/tree/4671dcd9da1cf021e85629ab67e3ffb6fb553bb1/catalogs/consumable-billing-all-tiers.xml[Consumable Billing All Tiers] catalog. It has a `water-monthly` plan with a `MONTHLY` recurring charge of `$30`. In addition, it also has a usage section with `usageType=CONSUMABLE`, `tierBlockPolicy=ALL_TIERS` and the following `tieredBlock` sections:
  
  [options="header",cols="1,1,1,1,1"]
  |===
  
negative.code: 
  === Consumable Billing with TOP_TIER policy
  
  This example uses the https://github.com/killbill/killbill-docs/blob/5d5d7a2219752da8a0d9456cc5a975161388088c/catalogs/consumable-billing-top-tier.xml[Consumable Billing Top Tier] catalog. This catalog is exactly the same as the https://github.com/killbill/killbill-docs/tree/4671dcd9da1cf021e85629ab67e3ffb6fb553bb1/catalogs/consumable-billing-all-tiers.xml[Consumable Billing All Tiers] catalog explained above. The only difference is that it uses  `tierBlockPolicy=TOP_TIER`.
  
  The following table lists the actions and their results:
  
  