This form allows for both tiered payment structure and single price payment.
To use the tiered section make sure to have the following settings in the Salesforce event:
Show Add Fields= Yes
To use the single amount section make sure to have the following settings in the Salesforce event:
Show Add Fields: No, Number of tiers=1, Reg. Fee: the amount needed to be charged.
The form supports 2, 3, 4, 6, 7 tiers, and is based on the number of tiers field on the event