Johns Weed-B-Gone yard service sprays lawns to rid them of weeds. John mixes the two chemicals, Weed-X and Pest-O, in proportions depending on the climate and the particular weed problems of the season. A standard mix calls for a gallon of the mixture to combine equal parts of Weed-X and Pest-O. Weed-X has a standard cost of $10.00 per gallon and Pesto-O has a standard cost of $25.00 per gallon. Each gallon can treat 100 square yards of lawn. John expects to treat 537,000 square yards of lawn.

For the past season, John treated 646,000 square yards. He used 3,700 gallons of Weed-X and 3,090 gallons of Pest-O. He paid a total of $32,930 for the Weed-X and $74,160 for the Pest-O.

Required:

a. Compute the materials price and efficiency variances for the season.

b. Compute the materials mix and yield variances for the season.

Required A Required B Compute the materials price and efficiency variances for the seas ason. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option. Enter your answers rounded to the nearest whole dollar) Materials Price Efficiency Variances Weed-X LU Pest- F F Total Required A Required B Compute the materials mix and yield variances for the season. (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option. Enter your answers rounded to the nearest whole dollar) Materials Mix U Yield Variances IU Weed-X Pest-o Total F F U