Each level in this Clicking Upgrade increases the length of the use of a Golden Cookie by 0.2 seconds up to a maximum increase of 10 seconds (20 seconds total).
There are 51 levels to this upgrade.
use the folowing to determine the length it will last:
t(n) = 10 + 0.2(n - 1)
t(n) is the time it will last
n is the upgrade level