The following standards have been established for a raw material used to make product O84: Standard quantity of the material per unit of output 8.0 meters Standard price of the material $ 19.20 per meter The following data pertain to a recent month's operations: Actual material purchased 4,300 meters Actual cost of material purchased $ 86,430 Actual material used in production 4,000 meters Actual output 590 units of product O84 The direct materials purchases variance is computed when the materials are purchased. Required: a. What is the materials price variance for the month? b. What is the materials quantity variance for the month? (Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.)