The following standards for materials have been formulated for a given product: Standard quantity per unit of output 3.1 pounds Standard price $13.00 per pound The following data pertain to operations concerning the product for the last month: Actual materials purchased 1,900 pounds $ 22,135 Actual cost of materials purchased Actual materials used in production 1,200 pounds Actual output 360 units Required: a. What is the materials price variance for the month? (Input the amount as a positive value. Leave no cells blank - be certain to enter "0" wherever required. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Omit the "$" sign in your response.) Materials price variance $ (Click to select) b. What is the materials quantity variance for the month? (Input the amount a as positive value. Leave no cells blank - be certain to enter "O" wherever required. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Omit the "$" sign in your response.) Materials quantity variance (Click to select)