Try to do a task while on the way to completing another one. Jill can only carry one cake at a time but she can collect money, tune the television, hand out menus, bake another cake and frost cakes--all while holding a cake in her hand. For example try the following.
-When a cake is done baking, start baking the next customer's order before the first cake is taken to be frosted. -Hand out menus to the new customers while going to pick up cakes from the oven.