Deliver the purchase agreement to Kleppr in Markarth

Walkthrough
This is one of two Special Delivery quests. While in Riften, if the Dragonborn speaks with Bolli, the merchant asks to deliver a purchase agreement to Kleppr, the innkeeper at the Silver-Blood Inn in Markarth.

Deliver the purchase agreement to Kleppr in Markarth
Make it so, for some ingots.

Liefere den Kaufvertrag zu Kleppr in Markarth