Question 19 of 22 View Policies Current Attempt in Progress Sheridan has a standard of 2 hours of labor per unit, at $12 per hour. In producing 2400 units, Sheridan used 4500 hours liberty total cost of $56120. Sheridan's total labor variance is Attempts: Odlused Sot O $2440 F. o $1200 U. o $1480 U. O $1480 F