What effect might use of outdated or incorrect information have on a business?

Martinez manufacturing applies overhead based on direct labor hours. the company estimates that their overhead for the year will be $180,000, and that they will use 72,000 direct labor hours. during the year, martinez manufacturing actually used 75,000 direct labor hours and actual overhead costs were $190,000. at the end of the year, manufacturing overhead was: overapplied by $2,500. overapplied by $10,000. underapplied by $2,500. underapplied by $10,000.

San ruiz interiors provides design services to residential and commercial clients. the residential services produce a contribution margin of $450,000 and have traceable fixed operating costs of $480,000. management is studying whether to drop the residential operation. if closed, the fixed operating costs will fall by $370,000 and san ruiz’ income will

What cylinder head operation is the technician performing in this figure?