Alou Company has prepared a graph of flexible budget data. At zero direct labor hours, the total

Question:

Alou Company has prepared a graph of flexible budget data. At zero direct labor hours, the total budgeted cost line intersects the vertical axis at $25,000. At 10,000 direct labor hours, the line drawn from the total budgeted cost line intersects the vertical axis at $85,000. How may the fixed and variable costs be expressed?