Assume that a company provided the following cost formulas for three of its expenses $($where q refers to the number of hours worked$)$:

Rent $($fixed$)$ $ $3,000$

Supplies $($variable$)$ $ $5\mathrm{.}40$q

Utilities $($mixed$)$ $ $150+$ $ $0\mathrm{.}75$q

The company$$s planned level of activity was $2,000$ hours and its actual level of activity was $1,850$ hours. How much supplies expense would be included in the flexible budget?

Multiple Choice

$$11,610$

$$9,990$

$$10,800$

$$10,290$