Answer:
$24.52
Explanation:
The basic direct labor rate = $18.00 per hour.
Payroll taxes are 14% of the basic direct labor rate
So, payroll Tax = 14% of 18
So, payroll Tax =

Fringe benefits such as vacation and health care insurance, are $4.00 per hour.
So, standard rate per direct labor hour= $18.00 +$2.52+$4.00
Standard rate per direct labor hour= $24.52
Hence the standard rate per direct labor hour is $24.52