Forty Company has the following information for the month. Compute the variable overhead spending variance, variable overhead efficiency variance, and the total variable overhead variance based on the following information:

Standard variable overhead rate: $$6\mathrm{.}00$ per direct labor hour

Actual variable overhead costs: $$10,000$

Standard hours allowed per unit: $0\mathrm{.}50$ hours

Actual direct labor hours worked: $2,000$ hours

Units produced: $3,500$