Which of the following pairs of goods are complements, which are substitutes, and which are unrelated? Part 2 We observe the price of Oscar Mayer hot dogs decreases and the quantity demanded of Wonder hot dog buns increases: . Part 3 A smartphone and smartphone apps: . Part 4 Tide laundry detergent and Cheer laundry detergent: . Part 5 You observe that your significant other always adds 1 oz of cream to each cup of coffee