How the scheduled Activity quantity arrived in KSPP

Hi All,

Hope all is Well..

currently I am working on COPA to SOP planning through LTP for calculating the Activity prices

here I have a doubt i.e. after LTP Run and Rough cut planning profile, Capacity evaluation I can be able to transfer the scheduled activities from PP to COPA using KSPP

I wanted to know how the system is calculating the Scheduled activity quantity, which is updating in the KP26

As per my knowledge in WorkCentre we will maintain the  activity types and  formulae. WRT that formula system is calculating scheduled activity quantity but I am not clear that calculation part

if any one can elaborate in detailed it will be help full

Regards,

Venkatesh..