During the year, Sherman Company had net credit sales of $$50,000.$ At the end of the year, before adjusting entries, the balance in Accounts Receivable was $$15,000($debit$)$ and the balance in Allowance for Bad Debts was $$620($credit$).$ If the company uses an income statement approach to estimate bad debts at $7\%,$ what is the ending balance in the Allowance for Bad Debts account?

A$.$ $$1,670$

B$.$ $$3,500$

C$.$ $$4,120$

D$.$ $$2,880$