2. A pancake stall sells sweet pancakes and savory pancakes. The savory pancakes can have three toppings (eggs, ham, tomato) which may be used in any combination. The sweet ones come with orange, lemon, or strawberry jam with either ice cream or fresh cream. a. What are at least two pieces of info needed if you are a customer ordering pancakes? b. How many combinations of pancakes does the stall sell?