John’s Weed-B-Gone yard service sprays lawns to rid them ofweeds. John mixes the two chemicals, Weed-X and Pest-O, inproportions depending on the climate and the particular weedproblems of the season. A standard mix calls for a gallon of themixture to combine equal parts of Weed-X and Pest-O. Weed-X has astandard cost of $9.80 per gallon and Pesto-O has a standard costof $25.00 per gallon. Each gallon can treat 100 square yards oflawn. John expects to treat 536,000 square yards of lawn.
For the past season, John treated 653,000 square yards. He used3,300 gallons of Weed-X and 3,100 gallons of Pest-O. He paid atotal of $30,030 for the Weed-X and $76,260 for the Pest-O.
Required:
a. Compute the materials price and efficiencyvariances for the season. (Do not round intermediatecalculations. Indicate the effect of each variance by selecting \"F\"for favorable, or \"U\" for unfavorable. If there is no effect, donot select either option.)
b. Compute the materials mix and yieldvariances for the season. (Do not roundintermediate calculations. Indicate the effect of eachvariance by selecting \"F\" for favorable, or \"U\" for unfavorable. Ifthere is no effect, do not select either option.)
