Please choose the correct solution to the question: How do I prepare dry ingredients to make macarons?

Solution1: Sift the powdered sugar, 1/3 at a time. Now sift the almond flour the same way, in the same bowl. Now whisk it until it's thoroughly combined

Solution2: Sift the powdered sugar, 1/3 at a time. Now sift the almond flour the same way, in the same kitchen scale. Now whisk it until it's thoroughly combined

Answer format: solution1/solution2