Pineapple Sheet Cake

Ingredients

• 2 c. flour
• 2 c. sugar
• 1/4 tsp. salt
• 1 tsp. baking soda
• 1 tsp. baking powder
• 2 slightly beaten eggs
• 1/4 c. cooking oil
• 1 (20 oz.) can crushed pineapple in heavy syrup (use juice and all)
• 8 oz. cream cheese, softened
• 1 box powdered sugar
• 1/4 c. margarine, softened
• 2 tsp. vanilla
• 2 tsp. lemon juice