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$)$

Supplies $($variable$)$

Utilities $($mixed$)$

$$3,000$

$$4\mathrm{.}00q$

$$150+$$$0\mathrm{.}75q$

The company's planned level of activity was $2,000$ hours and its actual level of activity was $1,900$ hours. If these are the company's only three expenses and the company uses revenue formula of $$8\mathrm{.}50q$ for budgeting purposes, what net operating income would appear in the company's flexible budget?

Multiple Choice

$$3,975$

$$4,125$

$$4,075$

$$4,225$