Direct Materials Variances De Soto Inc, produces tablet computers. The company uses Thin Film Crystal (TFC) LCD displays for its products, Each tablet uses one display. The company produced 770 tablets during July. However, due to LCD defects, the company actually used 300 LCD displays during July. Each display has a standard cost of $12.50. Eight hundred LCD displays were purchased for July production at a cost of $9,400. Determine the price variance, quantity variance, and total direct materials cost variance for July. Enter a fovorable variance as a negative number using o minus sign and an unfavorable variance as a positive number