Allow different Discount Charges be applied to Usage Volume Tier charges

[Zuora-Community]

Feature Request: Allow different Discount Charges be applied to Usage Volume Tier charges

Reference Number: DE8060

Business Need: Customer X is going to run a promotion and need to give discounts to their end customers. Their product charges are usage based and configured in volume tiered pricing model, and they would like to give different dicount percentage to customers whose usage fall into different tiers. For example, if their usage falls in Tier 1, they get 3% discount; for Tier 2, they get 5% discount, and so on. The goal is to encourage their end customers to use more to avail greater discount.