In the Venice manufacturing company , the hourly rate for manufacturing workers is $10/hour ( ignore taxes and other legal requirements ) . According to the records kept by the supervisor, one of the workers had the following activities on November 11,2023: From To Activity 08:00 09:00 Worked on Job order Nr.145 09:00 09:30 Waited for direct materials 09:30 13:30 Worked on job order Nr.146 13:30 14:00 Setup a machine for job Order Nr.146 14:00 16:00 Worked on Job Order Nr.147 16:00 17:00 Cleaning Of Machines What is the amount of direct labor cost for this worker for this day : a) 60 c) 50 b) 65 d) 80 c) None of these