Addison, Inc. master budget called for $1,000$ units of product to be sold during the period. The budgeted selling price was $$15$ per unit and budgeted variable cost was $$7$ per unit. Total fixed costs on the master budget was $$4,000.$ During the period, actual sales were $950$ units. Total actual sales revenue was $$13,900.$ Total actual variable costs were $$6,500$ and total actual fixed costs were $$3,900.$ Calculate Addison's total flexible$-$budget variance.

Multiple choice question.

$$400$ U

$$100$ F

$$400$ F

$$100$ U