Based on the menu provided, here is the breakdown for your request.

**The Cost of the Steak**
The steak on the menu is **"Bistecca alla Fiorentina"** (Florentine Steak).
*   **Price:** The menu lists the price as **12,00 € all'etto**. This means **€12.00 per 100 grams**.

Since you are two people sharing, you will likely order a whole steak weighing between 800g and 1kg (1000g), which is the standard serving size for two.
*   **Estimated Weight:** ~900g - 1000g
*   **Total Cost:** **€108 – €120** (roughly €54 – €60 per person).

**Full Menu Translation (Courses)**
The menu is divided into sections. Here is what they mean and the prices visible:

**ANTIPASTI (Appetizers / Starters)**
*   *Crostini di fegatini:* Chicken liver crostini (toasts) – **8,00**
*   *Fiori di zucca fritti:* Fried zucchini flowers (stuffed) – **9,00**
*   *Tagliere di salumi e formaggi:* Platter of cured meats and cheeses – **14,00** (likely per person)
*   *Bruschetta:* **10,00**
*   *Tagliere di salumi toscani:* Tuscan cured meat platter – **12,00**

**PRIMI (First Courses / Pasta & Soup)**
*   *Pici all'aglione:* Pici pasta with garlic sauce – **10,00**
*   *Ribollita:* Tuscan vegetable and bread soup – **12,00**

**SECONDI (Main Courses / Meat)**
*   **Bistecca alla Fiorentina:** Florentine Steak (T-bone) – **12,00 / 100g** *(The item you are interested in)*
*   *Traglia alla Fiorentina (or Tagliata?):* Likely Tagliata (Sliced steak) – **14,00**
*   *Peposo dell'Impruneta:* Slow-cooked beef stew with pepper – **16,00**

**CONTORNI (Side Dishes)**
*   *Peperoni arrosto:* Roasted peppers – **6,00**
*   *Fagioli all'uccelletto:* Stewed beans with tomato and sage – **6,00**
*   *Patate fritte:* French fries – **5,00**

**DOLCI (Desserts)**
*   *Cantuccini Vinsanto:* Almond biscuits with dessert wine – **8,00**
*   *Tiramisu:* **7,00**