Monster Company produces a product requiring 3 direct labor hours at $16.00 per hour. During January, 2,000 products are produced using 6,300 direct labor hours. Monster's actual payroll during January was $98,280. What is the labor quantity variance? Select one: O a $2,280 U O b. $4,800 F o c. $2,520 F O d. $4,800 U