Ruiz Engineering Contractors incurred service salaries and wages of $36,400 ($28,000 direct and $8,400 indirect) on an engineering project. The company applies overhead at a rate of 20% of direct labor. Record the entries to assign service salaries and wages and to apply overhead. (Credit account titles are automatically indented when the amount is entered. Do not indent manually.) Account Titles and Explanation Debit Credit (To record service salary and wages)