Trend Percentages Net sales, net income, and total asset figures for Vibrant Controls, inc., for five consecutive years are given below (Vibrant manufactures pollution controls): Required a. Calculate trend percentages, using Year 1 as the base year. b. Calculate the return on sales for each year. Round trend percentage answers to one decimal place (ex: 0.2345=23.5 ). Round answers to 2 decimal places (ex: 0.02345=2.35%)