[The following information applies to the questions displayed below.] The income statement for Pruitt Company summarized for a four-year period shows the following: 2016 2017 2018 2019 Sales revenue $2,027,000 $2,464,000 $2,714,000 $2,980,000 Cost of goods sold 1,505,000 1,616,000 1,771,000 2,101,000 Gross profit 522,000 848,000 943,000 879,000 Expenses 479,000 504,000 525,000 522,000 Pretax income 43,000 344,000 418,000 357,000 Income tax expense (30%) 12,900 103,200 125,400 107,100 Net income $30,100 $240,800 $292,600 $249,900 An audit revealed that in determining these amounts, the ending inventory for 2017 was overstated by $20,000. The company uses a periodic inventory system. 2. Compute the gross profit percentage for each year before the correction and after the correction