Assume that a companys planned level of activity was 3,500 units and its actual level of activity was 4,000 units. The spending variance for one of its mixed expenses was $900 favorable and its activity variance was $200 unfavorable. The planned and actual amounts of the fixed portion of this mixed expense were $10,000 and $9,300, respectively. What is the planned amount of this mixed expense?

Multiple Choice

$11,200

$11,400

$11,800

$11,600