Use the following information for Gray Co. to answer this question: Gray Co.'s effective (or average) tax rates for 2019 and 2018 are: 2018 400 Sales COGS Operating expenses Income taxes O 5.5% and 10.0%. 27.5% and 57.1%. 2019 400 250 80 22 200 70 40 45.8% and 44.4%. O 51.4% and 40.8%. None of the above