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, }, }