Cinturon Corporation produces high-quality leather belts. The company's plant in Bolse uses a standard costing system and has set the following standards for materials and labor: During the first month of the year, the Boise plant produced 92,000 belts. Actual leather purchased was 284,500 strips at $3.60 per strip. There were no beginning or ending inventories of leather. Actual direct labor was 80,400 hours at $17.00 per hour. Required: 1. Break down the total variance for materials into a price variance and a usage variance using the columnar and formula approaches, Enter favorable values as negative numbers and unfavorable values as positive numbers