The following materials standards have been established for a particular product. Standard quantity per unit of output Standard price 4.6 grams $12.00 per grams The following data pertaln to operations concerning the product for the last month: Actual materials purchased Actual cost of materials purchased Actual materials used in production 3,500 grams purchased $ 40775 2,800 grams 540 units Actual output The direct materlals purchases varlance Iis computed when the materials are purchased. Requirec a. What Is the materlals price varlance for the month? (Input the amount es a posltive value. Leave no cells blank- be certeln to enter "O" wherever required. Indicate the effect of each verlance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (l.., zero variance.) Materials price variance b. What is the materials quantity variance for the month? (Input the amount 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, " for unfavorable, and "None" for no effect (l.., zero variance.) Materials quantity variance