Can you please solve this questions

The company's gross margin

its Elite Brands Company uses standard costs for manufacturing division. Standards specify 0.1 direct labor hours per unit of product. At the beginning of the year, the static budget for variable overhead costs included the following data: Production volume 6,500 units 600 hours Budgeted variable overhead costs $15,000 Budgeted direct labor hours At the end of the year, actual data were as follows: Production volume 4,000 units 495 hours Actual variable overhead costs $15,400 Actual direct labor hours How much is the standard cost per direct labor hour for variable overhead? a. $25.00 per direct labor hour b. $37.50 per direct labor hour c. $30.30 per direct labor hour d. $25.67 per direct labor hour