WorldBiz operates divisions around the world, its European division-EuroBZ (EB-nas roconuy the following information to you at WorldBiz's head office. You are trying to decide whether to direct your internal audit staff to investigate more closely ) rep 2014 106,000 $69,000 $49,000 (7.420) (8,280) (5,880) 2013 From the Financial Statement Notes Accounts Receivable (gross) Allowance for Doubtful Accounts 2015 Accounts Receivable, Net 98,580 60,720 43,120 Other Information Gathe Net Sales Revenue Accounts Receivable Write-offs Bad Debt Expense Sales Discounts (2/10, n/30) $700,000 $670,000 $580,000 7,000 7,000 8,040 6,960 3,900 9,900 5,900 7,860 5,640 Required 1-a. For each of the years, calculate the proportion of gross accounts receivables estinated to be uncollectible as allowed for in the Allowance for Doubtful Accounts. (Round your answers to 1 decimal place.) 2015 2014 2013 Proportion of Gross Accounts Receivables 1-b. Which year does not align with the other two? 2015 2014 O 2013 2-a. For each of the years, calculate the proportion of Net Sales Revenue that Bad Debt Expense represents. (Round your answers to 1 decimal place.) 2015 Proportion of Net Sales Revenue 2014 2013