Creating cross-totals with the SUMIFS function and mixed references

- When you're trying to tabulate totals…from a worksheet, one thought could be,…we can go to the Data tab.…And if we do sort the data, right now,…it's not sorted but if it were sorted,…we could consider using the Subtotal feature.…And it's ideal for tabulating a single set of totals.…What it's not adept at is multiple sets of totals,…what we sometimes call cross totals.…Now this list is about 900 rows.…We'd like to know how many dishwashers…Bill Babowsky has sold, how many dryers…Shelley Levene has sold and so on.…

So looking at the data here, we could…as we explore this data, consider…the possibility of a pivot table.…That might serve our needs.…What if we're not too adept at pivot tables.…Or maybe, if we think that's doing…a lot more than we actually need to do.…Could we come up with totals here by way of formulas?…Well, we can.…The question is which function…or set of formulas might we use.…You may have heard of the COUNTIF function.…There's a family of functions related to it.…There's also a SUMIF, an AVERAGEIF.…