Excel Magic Trick 476: SUMPRODUCT Function for Weighted Average Cost From Transaction Data

Download Files: https://people.highline.edu/mgirvin/YouTubeExcelIsFun/EMT475-477.xls Calculate Weighted Average Cost from a transactional data set using SUMPRODUCT function. If you have a huge database Excel Table / List of Purchase transactions the SUMPRODUCT function makes it simple to calculate the Weighted Average Cost for all products in the data set!