Answer:
$20.54
Explanation:
Happy Helpers Maid Service's payroll tax expense of 14% should only be applied to the direct labor rate ($11) and not to the incurred costs for sick-days and vacations. Therefore, the standard rate per direct labor hour (S) is given by the sum of the direct labor rate (including taxes) and incurred costs:
![S= (\$ 11*1.14) + \$8\\S=\$20.54](https://img.qammunity.org/2020/formulas/mathematics/college/3h7d4fuito9dnpa9yvl8e6sfvny9znuo1p.png)