hh electric reports the following information. direct labor rate $ 30 per dlh non-materials-related overhead $ 15 per dlh materials-related overhead 5% of direct materials cost target profit margin (on both conversion and direct materials) 20% a. compute the time charge per hour of direct labor. b. compute the materials markup percentage. c. what price should the company quote for a job requiring four direct labor hours and $580 in materials?