Champlain Manufacturing has two direct cost categories: direct materials and direct labor costs. The company's variable manufacturing overhead is allocated to products based on standard direct labor hours. The following information indicates the standards of Champlaing Part a) and Part b) Calculate the following variances: Direct Materials Price Variance and Direct Materials Quantity Variance Provide a possible reason for the favorable or unfavorable Direct Materials Price Variance. Provide a possible reason for the favorable or unfavorable Direct Materials Quantity Variance. Provide a possible reason for the favorable or unfavorable Total Direct Materials Variance