A Cookie Recipe Gives the Following Numbered Steps

Essay

A cookie recipe gives the following numbered steps.
1.Preheat oven.
2.Grease cookie sheets.
3.Cream shortening and sugar.
4.Add eggs and flavoring.
5.Measure and sift dry ingredients.
6.Add dry ingredients to mixture.
7.Drop by spoonfuls onto sheets and bake for 10 minutes.
Although the steps are numbered, they do not always reflect immediate precedence relationships. Develop a table that lists the immediate predecessors for each activity.