Plan and Calculator for binary MLM

You are required to create an MLM binary plan which assures maximum earning for company and also for members. Joining kit 1 base price is 100 and sellling price is 450. Joining kit 2 base price is 150 and selling price is 550. Income can be like sponsorship income, pair income, plan table etc. Capping should be decided. Rewards must also be decided. Resale of items must be considered. Provide a php based calculator so that we can find out the final figures.