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When visiting her in Vault 81, Dr. Penske asks the Sole Survivor to eat a fresh mutfruit from her farming to help her investigation. After eating it and talking to her again, she offers to buy bags of fertilizer from the player character for 25 caps each.
- pc ps4 xboxone After saving Austin, when trying to sell fertilizer to Dr. Penske, she may just give generic dialogue instead. [verified]