Aspen Technologies has the following budget data:

Line Item Description Amount

Estimated direct labor hours $10,500$

Estimated direct labor dollars $$53,000$

Estimated factory overhead costs $$165,400$

If factory overhead is to be applied based on direct labor hours, the predetermined factory overhead rate is

a$.$ $$18\mathrm{.}90$

b$.$ $$23\mathrm{.}63$

c$.$ $$15\mathrm{.}75$

d$.$ $$12\mathrm{.}60$