transaction GBB, there are vax and vay.
vax where account is not cost element whereas vay, account is cost element.
1) may i know when to use vax and when to use vay?
2) during pgi, goods issue account is debited whereas during billing, cogs is updated in copa via ke4i.
- may i know why cogs not debited during pgi but rather goods issue account debited?