Members of the company's board of directors are surprised to see that net income increased by only $161,600 when sales increased by $1,773,600. Required: 1. Express each year's income statement in common-size percentages. (Round your percentage answers to 1 decimal piace (i.e., Members of the company's board of directors are surprised to see that net income increased by only $161,600 when sales increased by $1,773,600. Required: 1. Express each year's income statement in common-size percentages. (Round your percentage answers to 1 decimal piace (i.e