Majer Corporbtion makes a product with the following standard costs:

MThe company reported the following results concerning this product in February.

$\backslash$table$[[$Originally budgeted output,$5,200$ units$],[$Actual output,$5,900$ units$],[$Raw materials used in production,$33,300$ ounces$],[$Actual direct labor$-$hours,$2,050$ hours$],[$Purchases of raw materials,$33,800$ ounces$],[$Actual price of raw materials,$$37\mathrm{.}10$ per ounce$],[$Actual direct labor rate,$$27\mathrm{.}60$ per hour$],[$Actual variable overhead rate,$$5\mathrm{.}50$ per hour$]]$

The variable overhead efficiency varlance for February is: