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The script should add the "Desserts" «Desserts» menu group when adding the "Beverages" «Beverages» menu group and if the guest gives agrees.
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A script to add a bonus dish for each 4th unique dish from the category
There is a "Shot" «Shot» category of dishes. When four identical dishes from this category are ordered, a choice of one dish from the "pizza" «Pizza» category should be provided. Pizza should be added with a zero price, or with a 100% discount.
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When combo dishes from the "49 rubles" «49 rubles» classification are ordered, "Offer «Offer an additive for 49 rubles" rubles» should appear on the screen.
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It is necessary to change the price of coffee when selling coffee together with any dish from the "Food" «Food» classification (not the category).
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