return {
  	[1] = {
  		["level"] = 1,
  		["cost"] = 20,
  	},
  	[2] = {
  		["level"] = 2,
  		["cost"] = 50,
  	},
  	[3] = {
  		["level"] = 3,
  		["cost"] = 150,
  	},
  	[4] = {
  		["level"] = 4,
  		["cost"] = 350,
  	},
  	[5] = {
  		["level"] = 5,
  		["cost"] = 800,
  	},
  	[6] = {
  		["level"] = 6,
  		["cost"] = 1800,
  	},
  	[7] = {
  		["level"] = 7,
  		["cost"] = 4000,
  	},
  	[8] = {
  		["level"] = 8,
  		["cost"] = 8000,
  	},
  }