Within the accounts payable ledger of The Hat Emporium, a retail store, there are accounts for a number of suppliers as of the end of October, $20$X$1.$ One of these, Fabric Sourcing, displays a beginning balance of $$9,000,$ a purchase invoice for $$5,200$ on $\frac{10}{5},$ a purchase invoice of $$6,100$ on $\frac{10}{9},$ a credit memorandum of $$1,200$ on $\frac{10}{17},$ a credit memorandum of $$4,800$ on $\frac{10}{22},$ and a purchase invoice of $$1,200$ on $\frac{10}{30}.$ What is the ending balance within the accounts payable ledger account of Fabric Sourcing on $\frac{10}{31}?$

Ending balance