At the beginning of the year, KP Company had the following standard cost sheet for one of its plastic products. KP planned to produce 2,000 units for the year. Direct materials (3 pounds at $4 per pound) $12.00 Direct labor (7 hours at $16 per hour) 112.00 Standard prime cost per unit $124.00 KP uses a standard costing system. During the year, a variable overhead rate of $5.40 per direct lbor hour was used. Actual results: Actual number of units produced: 2,100 Materials purchased: 7,200 pounds at $3.80 per pound Materials used in production: 6,450 pounds Direct labor: 15,000 hours at $15.75 Actual variable overhead: $77,000 Compute the following variances. Remember to label your answers with an F or U. 1. Materials price variance 2. Materials usage variance