Adcock Company estimates that manufacturing overhead costs for the next year will be $$6,870,000$ for indirect labor and $$450,000$ for factory utilities. The company uses machine hours as its overhead allocation base. If $160,000$ machine hours are planned for the next year, what is the company's predetermined manufacturing overhead rate?

$$45\mathrm{.}7500$ per machine hour.

$$0\mathrm{.}3555$ per machine hour.

$$0\mathrm{.}0219$ per machine hour.

$$42\mathrm{.}9375$ per machine hour.