please help

Western Windows constructs and installs windows for new homes. The sales staff are having a meeting and reviewing the following information to determine how to help reduce days' sales uncollected Accent receivable 2020 35,50 6.692.000 2019 3 674, 750 5.724.000 420.000 5,120,000 Required: a. Calculate the days' sales uncollected for 2018 to 2020 and identify whether the trend is favourable or unfavourable. Round the final answer to 2 decimal places. Do not round Intermediate calculation. Use 365 days a year.) 2010 Days' sales uncollected 2017 days 2015 days days