Upgrade cost estimate table

Upgrade potions can be purchased through DW, and users need to pay additional CP tokens for each upgrade.

The final average cost of each upgrade is $20.

Game Level	Upgrade Success Rate	Success rate after using small upgrade potions（$10）	Success rate after using medium upgrade potion($50)	Success rate after using a large upgrade potion($100)	Upgrade Cost(CP)
0~20	50%	65%	80%	100%	20
21~40	30%	40%	60%	70%	100
41~50	15%	35%	45%	60%	150
51~80	5%	15%	30%	50%	200
81~120	0%	9%	25%	40%	200
120~150	0%	0%	10%	30%	200
150~200	0%	0%	0%	20%	200