Customer Type | Customer Billing Amt     | Offer_Name
Silver        |       $0 - $50           | Offer1
Gold          |       $51 - $100         | Offer2

Offer_Name | Offer_id | Offer_expiration_date | offer_type | offer_group
Offer1     |   Off_1  |  12-31-2019           | DOLLAR     | DISCOUNT
Offer2     |   Off_2  |  12-31-2030           | DOLLAR     | DISCOUNT