Variance account 1402 understanding &Suffix-OP

Hello,

I am still waiting for answer , can anyone please guide me?

We have purchase receipt amounting to Euro 16058 , order value is 16058 only , but system pass below entry , can you please explain why system generate variance & what is the logic behind it.

Material Account Debited Euro 20,850.00 -A/C No. 1302 - *OP Item

RNV Account Credited Euro 16,058.00 -A/C No. 2055

Fin Goods_Stock Machines Account Credited Euro 4,792.00 -A/C 1402.

I would also like to know the logic of the Suffix OP in Item Number.

Thanks,

Mayank Pandit.

Message was edited by: MAYANK PANDIT