Calculate the total consumption for the 12 months.

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To calculate the minimum stock, we first need to find the average monthly consumption. The problem states that the minimum stock is fixed at 2 months of average consumption.

Step 1: Calculate the total consumption for the 12 months. The table provides the consumption for each month and a total. Total consumption = $630 + 654 + 568 + 698 + 645 + 732 + 845 + 50 + 658 + 768 + 745 + 850 = 7843 \text{ kg}$.

Step 2: Calculate the average monthly consumption. The average monthly consumption is the total consumption divided by the number of months. $Average monthly consumption = \frac{Total consumption}{Number of months}$ $Average monthly consumption = \frac{7843 kg}{12 months}$ $Average monthly consumption \approx 653.5833 kg/month$

Step 3: Calculate the minimum stock. The minimum stock is 2 months of average consumption. $Minimum stock = 2 \times Average monthly consumption$ $Minimum stock = 2 \times \frac{7843}{12} kg$ $Minimum stock = \frac{7843}{6} kg$ $Minimum stock \approx 1307.17 kg$

The minimum stock is approximately $\boxed{1307.17 kg}$.

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