Indifference curves can be used to illustrate consumers' preferences about the characteristics of mobile phones. The graphs show the 6.1 combinations of screen size and (2) battery life that give the same utility. Which one depicts the iphone 8 and which the old black and white screen Nokia 3310?. Explain your answer. Figure 6.1b 10 Size of the screen :in 2 4 5 7 10 Battery life 6.2 Identify the nature of the products with (2) the following indifference curves. Figure 6.2b 5 10 Product B