I need answers and explanations of problems A 1 & 2 and B 1. In excel with formulas, please. Thank you!!!

a. Create a spreadsheet similar to Table 3.1 to model the following: (1) A multiple-step comparative income statement for Dayton, Inc., for the peri- ods ending December 31, 2015 and 2014. You must calculate the cost of goods sold for the year 2015. (2) A common-size income statement for Dayton, Inc., covering the years 2015 and 2014. b. Create a spreadsheet similar to Table 3.2 to model the following: (1) A detailed, comparative balance sheet for Dayton, Inc., for the years ended December 31, 2015 and 2014