143 F. B) $155 U. C) $200 U. D) $350 U. 25. Xiao Miao Mullen has a standard of 2 hours of labor per unit, at $18 per hour. In producing 2,000 units, Xiao Miao Mullen used 3,850 hours of labor at a total cost of $70,455. The labor quantity variance is A) $1,155 U. B) $1,555 F. C) $2,700 F. D) $2,895 F. Page 5