She leaves her address. "Pleasure doing business with you. Let me know when you run low."

Back at the shop, she looks at the record of sales and concludes that the sale of morphine means that the shop is now probably-profitable.

"Hey Aya, we are officially making more money than we spend. This calls for a bit of a celebration. Not that I don't like your cooking, but what's the nicest restaurant you know of?"