Need help with HORIZONTAL ANALYSIS

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A) Using the format on the following spreadsheet, prepare a horizontal analysis comparing the years 2015 and 2014.
*Round percentages to 1 decimal.
B) Interpret the findings. Explain what "may" have happened from 2014 to 2015.

The following information is provided for Harris Company for the year ended 12/31/14 Cost of Goods Sold Selling Expenses Administrative Expenses Sales Other Income 400,000 60,000 48,000 750,000 6,000 Harris Company Income Statement For the Year Ended December 31,2015 Sales Cost of Goods Sold 900,000 Finished goods inventory 1/1/15 Cost of Goods Manufactured Cost of finished goods AFS Less finished goods inventory 12/31/15 163,000 391,000 554,000 133,000 Cost of Goods Sold Gross Profit Operating Expenses: Administrative Expenses: 421,000 479,000 Office Salaries Expense Depreciation Exp-Office equipment Property tax-Office building 62,000 19,000 9,500 90,500 Selling Expenses: Advertising Expense Sales Salaries Expense 65,000 122,000 187,000 Total Operating Expense Income from Operations Other Income Net income 277,500 201,500 4,500 206,000