Safeflower Systems allocates manufacturing overhead based on machine hours. Each connector should require 10 machine hours. According to the static budget, Safeflower expected to incur the following: (Click the icon to view the static budget information.) During August, Safeflower actually used 600 machine hours to make 95 connectors and spent $5,700 in variable manufacturing costs and $8,000 in fixed manufacturing overhead costs. Calculate the variable overhead efficiency variance for Safeflower. A. $2,888F B. $3,938F C. $1,050U D. $4,988F Safeflower Systems allocates manufacturing overhead based on machine hours. Each connector should require 10 machine hours. According to the static budget, Safeflower expected to incur the following: (Click the icon to view the static budget information.) During August, Safeflower actually used 600 machine hours to make 95 connectors and spent $5,700 in variable manufacturing costs and $8,000 in fixed manufacturing overhead costs. Calculate the variable overhead efficiency variance for Safeflower. A. $2,888F B. $3,938F C. $1,050U D. $4,988F