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) $ 4.00q

Utilities (mixed) $150 + $0.75q

The companys planned level of activity was 2,000 hours and its actual level of activity was 1,900 hours. How much utilities expense would be included in the flexible budget?

1. $1,500
2. $1,675
3. $1,575
4. $1,650