The financial statements of the A$1$ Manufacturing Service Center report net credit sales of $$600,000$ and net accounts receivable of $$80,000$ and $$40,000$ at the beginning of the year and the end of the year, respelively. What is the accounts receivable turnover for $A1?$

$5\mathrm{.}0$ times

$10\mathrm{.}0$ times

$15\mathrm{.}0$ times

$7\mathrm{.}5$ times