Ruth Jewelry manufactures jewelry. It applies overhead based on direct labor hours. In October, Ruth is planning to make $550$ rings, $400$ bracelets, and $210$ pendants. The company expects the total manufacturing overhead for the year would be $$3485000$ and that total direct labor hours for the year would be $85000.$ Actual overhead incurred for October was $$295920.$ Each ring requires $6\mathrm{.}50$ hours of labor to manufacture; each bracelet requires $5\mathrm{.}5$ hours of labor to manufacture, and each pendant requires $4$ hours of labor to manufacture. What is the standard overhead cost per ring?

$$42\mathrm{.}80$

$$278\mathrm{.}20$

$$266\mathrm{.}50$

$$41\mathrm{.}00$