1. Beat eggs with sugar, then reduce mixer speed.
2. Alternate liquids with dry ingredients. Pour into 10- by 16-inch pan.
3. Preheat oven to 350 degrees Fahrenheit.
4. Mix apples with cinnamon and sugar. Spread over cake batter.
5. Mix margarine, sugar, and flour until crumbly. Sprinkle over apples.
6. Bake at 350 for one hour and 10 minutes.