I need to make at least 50 chocolate chip cookies for my party.  The following recipe makes 3 dozen cookies.   Can you help me decide how much of each item I will need?

                                                     2  1/4  cup flour
                                                     1 teaspoon baking soda
                                                     1 teaspoon salt
                                                     1 cup butter
                                                     2/3 cup sugar
                                                     3/4 cup brown sugar
                                                     1 teaspoon vanilla
                                                     2 eggs
                                                     12 ounces of chocolate chips