The term flexible budget refers to a budget in which: (Points : 5) budgeted costs are adjusted in proportion to the difference between budgeted costs and actual costs. budgeted variable costs are adjusted in proportion to the difference between budgeted variable costs and actual variable costs. budgeted variable are adjusted in proportion to the difference between budgeted units of production and actual units produced. budgeted variable costs are adjusted in proportion to the difference between budgeted variable cost per unit and actual variable cost per unit