A manufacturing company has a standard costing system based on machine hours $($MHs$)$ as the measure of activity. Data from the company's flexible budget for manufacturing overhead are given below:

Denominator Level of Activity $6,000$ MHs

Overhead Costs at the Denominator Activity Level:

Variable Overhead Cost $$35,000$

Fixed Overhead Cost $$75,000$

The following data pertain to operations for the most recent period:

Actual Hours $6,300$ MHs

Standard Hours Allowed for the Actual Output $6,000$ MHs

Actual Total Variable Overhead Cost $$36,540$

Actual Total Fixed Overhead Cost $$75,000$

What was the total predetermined overhead rate, rounded to the nearest cent?

Question $5$ options:

$$17\mathrm{.}91$

$$18\mathrm{.}00$

$$18\mathrm{.}50$

$$18\mathrm{.}33$