Sale Bean

Sale Bean is a plant that can lower the sun cost of every seed packets on-screen with a speacial formula in 60 seconds.

Overview
Won't absorb any damage from zombies.

Formula
The beginning sun cost will divide in half, it won't lower anymore if it ends with number "0". If not, it'll keep lower until there is a "0" at the end.

Example:

50 : 2 = 25

350 : 2 = 175

25 : 2 = 12.5 => 10

275 : 2 = 137.5 => 130

Almanac Entry
Sale Bean

Lower the sun cost of all plants

Sale Bean was a superhero. And his power was persuasion.

Cost: 425

Recharge: Slow

Trivia

 * If you plant another Sale Bean, the sun cost will reduce again, still follow the given formular.
 * Although zombies bypass him, it can't be plant on other plants.
 * It won't reduce free plants's cost, since they're free.