Small - client that signs up for an estimated $50/mo+ service contract, or generates $250/mo+ revenue for 3 consecutive months.

Medium - client that signs up for an estimated $200/mo+ service contract, or generates $500/mo+ revenue for 3 consecutive months.

Large - client that signs up for an estimated $500/mo+ service contract, or generates $1000/mo+ revenue for 3 consecutive months.