A company's income statements for the past three years are as follows: 20Y1 2012 $1,500 20Y3 $2.722 Sales $1.281 Cost of goods sold Gross profit SG&A expense 512 S08 108 769 892 1,654 584 650 1,307 Depreciation expense Total operating expense 23 24 40 607 Z14 1347 Operating profit 162 178 307 Loss on sale of foced assets 0 0 8 Interest expense 21 23 39 Other expenses 15 Income before taxes 141 149 245 Taxes Net income 62 100 $79 $81 $139 Which of the following best describes the company's profit margin performance? Despite a slight improvement in gross profit margin in 20Y3, net profit margin declined. After a slight dip in 20Y2, operating profit margin and net profit margin turned up in 20Y3. Both the gross profit margin and the net profit margin are weak and declining steadily, Gross profit margin, operating profit margin and net profit margin have all behaved erratically over the past three years