please help me get the percentages of 2012

133 G H A B C D E F For the Years Ended December 31, 2013 and 2012 28 29 2013 Amount 2012 Amount 2013 Percent % 30 31 2012 Percent % 32 33 Sales 34 Sales returns and allowances 35 Net sales 36 Cost of goods sold 37 Gross profit 38 Selling expenses 39 Total operating expenses 40 Income from operations 41 Other income 42 Income before income tax 43 income tax expense 44 Net income 45 46 47 48 839,460 16,460 823,000 444,420 378,580 189,290 271,590 106,990 32,920 139,910 57,610 82,300 100% 2% 98% 53% 45% 23% 32% 1396 715,080 7,080 708,000 339,840 368,160 127,440 212,400 155,760 42,480 198,240 77,880 120,360 4% 17% 7% 10% 49