Dawson Tonk, Limited, products a toy Called the Miaze with she following stancarde: Diract materlaks: 8 microns per toy at 5034 per micron Oirect labor, 13 hours per tioy at $650 per hour end of the month. Orect laboc 7550 direct labochours were worked at a cost ef 557375 . Required: 1. Compute the following varisnces for bly. whole dollar amoune. b. The labor rate and efledency viriances