Use the revenue and cost graphs on the right to find the approximate cost of manufacturing 28,000 cell phones. What is the approximate cost of manufacturing 28,000 phones? $ (...) Dollars (in millions) 4 1. -O 0 Revenue Cost 8 16 24 32 40 Cell phones (in thousands) 48 Use the revenue and cost graphs on the right to find the approximate profit from manufacturing 24,000 cell phones. What is the approximate profit from manufacturing 24,000 phones? S Dollars (in millions) 4 3- & 0 Revenue Cost 8 16 24 32 40 Cell phones (in thousands) 48 A