The auto repair shop of Quality Motor Company uses standards to control the labor time and labor cost in the shop. The standard labor cost for a motor tune-up is given below:

Standard Quantity or Hours Standard Price or Rate $ 3.00 per pound $12.00 per hour Standard Direct materials Direct labor 6.6 pounds 0.4 hours Cost $19.80 $ 4.80 During the most recent month, the following activity was recorded: a. Twelve thousand eight hundred pounds of material were purchased at a cost of $2.90 per pound. b. The company produced only 1,280 units, using 11,520 pounds of material. (The rest of the material purchased remained in raw materials inventory.) c. Six hundred and twelve hours of direct labor time were recorded at a total labor cost of $7,344. Required: Compute the materials price and quantity variances 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). Do not round intermediate calculations.) Direct materials price variance Direct materials quantity variance