Challenge Exercise 2 Expands on: E13-4 LO: 2 Operating data for Poll Corporation are presented below. 2014 2013 $900,000 $700,000o Net sales Cost of goods sold Selling expenses Administrative expenses Income tax expense 450,000 570,000 140,000 80,000 33,000 77,000 90,000 60,000 30,000 70,000 Net income Instructions: (a) Prepare a schedule showing a vertical analysis for 2014 and 2013. (b) What is the primary use of vertical analysis? (c) What does the schedule from part (a) tell you about Poll