b. Download the spreadsheet Benford's Law Excel Worksheet.xlsx for this problem and follow the steps in the article to analyze whether the invoice data conforms to Benford's Law. Your spreadsheet should: 1. Display the first digit for each invoice amount (Hint: You may need to use the Value and Left functions). 2. Complete the columns for "Expected \#" and "Actual \#" for the data set 3. Use a formula in cell F13 that calculates the sample size 4. Use a formula in cell G15 to calculate the chi-square test value comparing the actual and expected distribution of leading digits of invoice amounts 5. Create a chart that compares the actual and expected frequencies for the leading digits for invoice amounts E DEFHG Digit Expected Expected Actual \# 12345678930.10%17.60%12.50%9.60%7.90%6.70%5.80%5.10%4.60% Sample size = 0 Chi-square test value =