hi, im having trouble solving this problem from the book fundementwl of accounting chapter 13 problem 13.1A thank you.

Problem 13-1A Earnings per share calculations and presentation L01.2.3.4 eXcel Problem 13-1A Excel template CHECK FIGURES: Weighted-average outstanding shares: 2. a. 35,364; b. 44,880; c. 171,720 Note: Problem 13-1B covers LO1.3 with no retirement of shares. Page 869 Except for the earnings per share statistics, the 2018, 2017, and 2016 income statements for Ace Group Inc. were originally presented as follows: 2018 2017 2016 Sales Costs and expenses Profit from continuing operations Gain (loss) on discontinued operations. Profit (loss) $998.900 323,570 ? (107.325) ? $687,040 ? ? 80,410 $532.950 $466,855 ? 309,435 $153,244 Information on Common Shares for Ace Group Inc. Shares outstanding on December 31, 2015 Purchase and retirement of shares on March 1, 2016. Sale of shares on June 1. 2016 Share dividend of 5% on August 1, 2016. Shares outstanding on December 31, 2016. Sale of shares on February 1, 2017 Purchase and retirement of shares on July 1, 2017 Shares outstanding on December 31, 2017 Sale of shares on March 1, 2018 Purchase and retirement of shares on September 1, 2018. Share split of 3:1 on October 1, 2018 Shares outstanding on December 31, 2018 28.800 2.880 + 12.480 + ? ? + 5.760 1.440 ? +16.560 3,600 + ? ? *No preferred shares have been issued. Click here for a description of Tables: Problem 13-1A. Required 1. Calculate the 11 missing amounts. 2. Calculate the weighted average number of common shares outstanding during: a. 2016 b. 2017 c. 2018 3. Rounding calculations to two decimal places, prepare the earnings per share income statement presentations for: a. 2016 b. 2017 2018 C