TV & Radio sales is given for 24 months & for each unique shop.
I want to just get 2018, 2019 sum of TV & Radio sold (hence 4 new columns with 2018 TV sales, 2019 TV sales, 2018 Radio Sales, 2019 Radio sales) for each shop.
The Layman way is creating a formula by adding all 12 months in a year. But is there a better way to do the same.
Please help.
Thanks in advance.