In a bowl, whisk together the flour, baking powder, baking soda and salt, set aside. In a stand mixer, fitted with the paddle attachment, beat the butter on high speed until softened. Add the sugar and continue beating until light and fluffy, about 3 minutes. Add the eggs one at a time, beating on medium speed, until well combined. Scrape down the side of the bowl after each. Add the flour mixture and milk and mix on medium speed until well combined. Scrape down the side of the bowl and mix for an additional 30 seconds.