Mr. Coffee makes coffee grinders. Var MOH is allocated based on Machine Hrs. It takes 2 machine hours to make a grinder, and the variable MOH rate was estimated to be $10 per Mach hr. During the year, Actual variable MOH was $40,000. Machine hours were 3,950 hrs. during the year. 2,050 coffee grinders were produced during the year. What was the Var MOH efficiency variance? If unfavorable, enter as a negative number.