2. An ice cream parlor has 3 types of cone, 12 types of ice cream1 and 10 type-ii of topping. {a} An order consume of one type of cone, one type of ice cream, and one topping. How many unique orders are there? (b) Next, suppose an order can have one type of cone, either one or two typea of ice cream, and one topping. NounIr how many unique orders are there? (c) Next, suppose an order can have one type of cone, one type of ice cream, and any number of toppings. Now how many unique orders are there