$50$
3. In the cellar, there are 99 jars of wine, from left to right, containing 1 catty, 2 catties, 3 catties, …, 98 catties, 99 catties of wine, respectively. The unit price of the wine, from left to right, is 99 yuan per catty, 98 yuan per catty, 97 yuan per catty, …, 2 yuan per catty, 1 yuan per catty. The total price of the wine in the $\qquad$th jar from left to right is the highest.