Radiant Systems allocates manufacturing overhead based on machine hours. Each connector should require 5 machine hours. According to the static budget, Radiant expected to incur the following: (Click the icon to view the static budget information.) During August, Radiant actually used 600 machine hours to make 130 connectors and spent $5,700 in variable manufacturing costs and $8,400 in fixed manufacturing overhead costs. Calculate the variable overhead efficiency variance for Radiant. O A. $1,000 F OB. $5,300 F OC. $6,300 U OD. $7,300 F More Info 400 machine hours per month (80 connectors * 5 machine hours per connector) $8.000 in variable manufacturing overhead costs $7.250 in fixed manufacturing overhead costs