Doogan Corporation makes a product with the following standard costs: Standard Quantity or Hours Standard Price or Rate
Direct materials 2.0 grams $7.00 per gram
Direct labor 1.3 hours $11.00 per hour
Variable overhead 1.3 hours $3.00 per hour

The company produced 5,000 units in January using 10,310 grams of direct material and 2,290 direct labor-hours. During the month, the company purchased 10,880 grams of the direct material at $7.10 per gram. The actual direct labor rate was $11.70 per hour and the actual variable overhead rate was $3.00 per hour. The company applies variable overhead on the basis of direct labor-hours. The direct materials purchases variance is computed when the materials are purchased. The materials quantity variance for January is:

a. $2,201 U
b. $2,201 F
c. $2,170 F
d. $2,170 U

George kyparisis makes bowling balls in his miami plant. with recent increases in his​ costs, he has a newfound interest in efficiency. george is interested in determining the productivity of his organization. he would like to know if his organization is maintaining the manufacturing average of a​ 3% increase in productivity. he has the following data representing a month from last year and an equivalent month this​ year: last year now cost per input unit units produced 1 comma 2001,200 1 comma 2001,200 labor​ (hours) 300300 275275 ​$1212 per hour resin​ (pounds) 5050 4545 ​$55 per pound capital invested​ ($) 10 comma 00010,000 11 comma 00011,000 22​% per month energy​ (btu) 2 comma 9002,900 2 comma 7502,750 ​$0.600.60 per btu the percent change in productivity for one month last year versus one month this year on a multifactor basis with dollars as the common denominator​ = 3.153.15​% ​(enter your response as a percentage rounded to two decimal​ places).