Here we have received a sheet on the Masks Sales in Single-Day Sheet from a supermarket. How can we quickly calculate the sum, average, maximum, and daily sales volume during the period from August 19th to 31st?We can use the AutoSum feature of the WPS Spreadsheet, rather than calculating all data one by one with a calculator, which would be a waste of time. Follow these step.1. Select the data area, click the AutoSum drop-down button in the Formulas tab.2. Find the Sum button and clic....