August $1$ Sheffield Corp. sold to Tamarisk Co$.$ merchandise having a sales price of $$21,900$ with terms $\frac{1}{10},$ net$/60.$ Sheffield records its sales and receivables net.

$5$ Accounts receivable of $$51,700($gross$)$ are factored with Easy Credit Corp. with recourse at a financing charge of $5\%.$ Cash is received for the proceeds; collections are handled by the finance company. $($These accounts were all past the discount period.$)$

$9$ Specific accounts receivable of $$32,500($gross$)$ are pledged to Second Credit Corp. as security for a loan of $$19,500$ at a finance charge of $6\%$ of the amount of the loan. The finance company will make the collections. $($All the accounts receivable are past the discount period.$)$

Sep. $29$ Tamarisk Co$.$ notifies Sheffield that it is bankrupt and will pay only $19\%$ of its account. Give the entry to write off the uncollectible balance using the allowance method. $($Note: First record the increase in the receivable when the discount period passed.$)$