Compute increases (decreases) in percents for both Years 6 and 7 by entering all the missing data in the table below. Analyze and interpret any significant results revealed from this trend analysis. YEAR YEAR 7 YEAR 6 Change Change Index Index Statement Item Index No. No. No. Percent Percent Net sales 29% 100% Cost of goods sold... Gross profit Operating expenses...... 20 100 Income before tax - 14| 100|| Net income 129 100