User blog comment:Zombieman1350/Last Stand Screenshot Puzzle 2/@comment-26531060-20130207104621

The cost of it is 2800 sun, which is 25 (Lily Pad) * 18 + 125 (Tall-nut; Pumpkin) * 14 + 100 (Magnet-shroom) * 6. Then 5000 - 2800 = 2200.