Trend Percentages sales, net income, and total asset figures for Vibrant Controls, Inc., for five consecutive years are given below (Vibrant manufactures pollution controls): Annual Amounts (Thousands of Dollars) Year 1 Year 2 Year 3 Year4 Year 5 Net sales $73,500 $81,800 $86,250 $90,400 s96,700 Net income 5,200 5,650 5,900 6,160 6,790 Total assets 44,500 47.400 50,700 53,000 56,900 Required a. Calculate trend percentages, using Year 1 as the base year b. Calculate the return on sales for each year a. Round answers to one decimal point. Trend Percentages Year 1 Year 2 Year 3 Year 4 Year 5 Net sales 0 0 Net income 0 Total assets b. Round answers to 2 decimal points. Year 3 Year 4 Year 5 Year Year 2 Return on Sales