upgrade

click auto(cost 15000 cookie) +1 Cookie/click(cost 75 cookie) +5 Cookies/click(cost 300 cookie) +10 Cookie/click(cost 550 cookie) +20 Cookies/click(cost 1000 cookie) +50 Cookie/click(cost 2000 cookie) +100 Cookies/click(cost 3500 cookie) +200 Cookie/click(cost 6000 cookie) +500 Cookies/click(cost 13000 cookie)