scrapping loss

Dear All,

Pls guide me how to map the thing is

we bifurcate the scrap loss from actual order and then sell the scrap loss to local market. fresh article r send to our stores.

let me giv n example

i buy 100 kg cabbage from vendor x against a po

in transportation 15kg get damage

i hav to take 100 kg in the stock where 85 kg will b at original price n 15 kg at reduced price.

now 85 kg is sent to stores for retail sell n 15 kg is sold to street vendor.

pls tell me how to map it in sap?

Thnx in advance

vikas