Indirect or VLookup result based on multiple 3+ selections

Happy New Year Everyone:

On the attached sample spreadsheet you will find a simple chart. When I or another user "selects" the 3 criteria (Product, Person & Size) I would like the Result amount to automatically populate.

I know the easy answer is to use change the layout a little by combining Person & Size and then do a indirect but Im hoping to utilize the chart as it is.

Thanks!