Grandma Moore's Pumpkin Bars

2 C flour
2 C Sugar
1 tsp baking soda
1 tsp cinnamon
1 tsp baking powder
1 can small can pumpkin filling
4 eggs
1 C oil
Mix all well. Bake 350 for 25 minutes in greased 9x13.
Frosting:
2 1/2 C powder sugar
3/4 butter, softened
1 TBL milk
3 oz cream cheese, room temp.
Blend well. Frost bars once cooled.