BREAD FLOUR CONVERSIONS

I recently bought a new bread machine and all the recipes ask for bread flour. So instead of buying another flour I looked up conversions :)Bread flour-Bread flour-1 cup AP flour1 TBSP vital wheat glutenSelf Rising flour-Self Rising flour-1 cup AP flour1 ½  tsp baking powder½ tsp saltCake flour-Cake flour-1 cup AP flour with 2 TBSP removed and replaced with 2 TBSP corn starch