Trend Percentages Net sales, net income, and total asset figures for Janice Controls, Inc., for five consecutive years are given below (Janice manufactures pollution controls): Annual Amounts (Thousands of Dollars) Year 1 Year 2 Year 3 Year 4 Year 5 Net sales $72,000 $79,800 $85,275 $88,400 $94,700 Net income 3,200 3,650 4,000 4.250 4,790 Total assets 42,500 45,000 48,700 51,000 54,900 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). Trend Percentages Year 1 Year 2 Year 3 Year 4 Year 5 Net sales Net income Total assets Round answers to 2 decimal places (ex: 0.02345 = 2.35%). Year 1 Year 2 Year 3 Year 4 Return on Sales 96 %6 Year 5 %