This is a repost since freelancer had a problem with the hourly project posted earlier.
The exact cost can be finalized once the requirements are discussed in detail.
The project involves a referral system and points being given based on the amount of sales, sales slab you belong to, etc. There will be requirements around a binary structure for holding users and their referrals.
Please reply ONLY after reading and replying to the doc here : [url removed, login to view]