Two income statements for Cornea Company follow: Cornea Company Income Statements For Years Ended December 31 2018 2019 $538,000 $635,000 Fees earned 451,920 508,000 Operating expenses $86,080 $127,000 Operating income a. Prepare a vertical analysis of Cornea Company's income statements. Enter percents as whole numbers. Cornea Company Income Statements For Years Ended December 31 2018 Percent 2019 Percent 2018 Amount 2019 Amount $635,000 Fees earned $538,000 % % 508,000 Operating expenses % 451,920 % $127,000 Operating income $86,080 % % b. Does the vertical analysis indicate a favorable or an unfavorable trend