Important monthly KA broadcasts are placed here :

Prompt used are :

Having "????" in year prompt means "year ???? = current year".

In this case, when prompted year = ????, month 01 should not be considered as January, but as "current month (-1)"

(nb : if "02" → "current month (-2)" ; if "03" → "current month (-3)" ... and so on.

Object used inside are current object (sales/Quantity) and T(M) object ==> taken for total for the prompted month (T(M) = "Total Month") 

The redifined condition take sale from January to requested Month, for current and previous year.