EXERCISE 1: INDIVIDUAL ASSIGNMENT 1. Input the IRS Schedules C from the 20132015 income tax returns into a spreadsheet. 1. Add percent columns to the right of dollar column for each year. 2. Calculate common-sized percentages in the percent columns [divide each number for that year le.g., 2013) by gross receipts for that year Ie.g., 2013i]. 3. Review the dollars horizontally across the three years and vertically down each year and identify any material irregularities. 4. Review the percentages horizontally across the three years and vertically down each year and identify any material irregularities. 5. Are there any material trends or material single-year changes {e.g., material increases or decreases)? 2. Input the other metrics from the individual tax returns {e.g., income from wages and salaries. interest earned. and estimated tax payments}. 1. Review the dollars horizontally across the three years and vertically down each year and identify any material irregularities. 2. Com pare estimated tax payments with total taxes for the year [vertically durino the same vea rl