(Appendix) Mike Shanahan Ltd. is a mechanical engineering firm that em¬ ploys both engineers and draftspeople. The average hourly rates are $80 for engineers and $40 for draftspeople. For one project, the standard was set at 375 hours of engineer time and 625 hours of draftsperson time. Actual hours worked on this project were:

Engineers—500 hours at $85 per hour Draftspeople—500 hours at $42.00 per hour Determine the labor rate, mix, and yield variances for this project.

LO.1