I am looking for the correct answer to this general accounting question with appropriate explanations.

Lakeside Manufacturing Ltd. has budgeted variable overheads for the period to be $30,000. During this period, the company spent $29,400 on variable overheads. The expected level of production was to require 15,000 labor hours, but the actual labor hours used was only 13,500 hours. What was the variable overhead expenditure variance for the period