a) Suppose that a store sells six varieties of soft drinks:cola, ginger ale, orange, root beer, lemonade, and cream soda. Use a tree diagram to determine the number of different types of bottles the store must stock to have all varieties available in all size bottles if all varieties are available in 12 -ounce bottles, all but lemonade are available in 20 -ounce bottles, only cola and ginger ale are available in 32 -ounce bottles, and all but lemonade and cream soda are available in 64 -ounce bo