Uli uses a standard costing system. For production of a fuel cell, standards call for 4 model RN-3 valves per cell costing $2,130 each. During 2018, the company purchased 260 valves for $637,000. The company used 260 valves in the production of 63 fuel cells (8 valves were ruined through installation error). Calculate material price and quantity variances for the model RN-3 valves. (Enter all variances as a positive number.) Material Price Variance Material Quantity Variance