Top managers of White Industries predicted $2016$ sales of $14,700$ units of its product at a unit price of $$9\mathrm{.}50.$ Actual sales for the year were $14,400$ units at $$12\mathrm{.}00$ each. Variable costs were budgetec at $$2\mathrm{.}40$ per unit, and actual variable costs were $$2\mathrm{.}50$ per unit. Actual fixed costs of $$48,000$ exceeded budgeted fixed costs by $$4,000.$

Prepare White's flexible budget performance report. What variance contributed most to the year's favorable results? What caused this variance?

Prepare a flexible budget performance report for the year. First, complete the flexible budget performance report through the contribution margin line, then complete the report through the operating income line. Finally, compute the total variances. $($Enter a $"0"$ for any zero balances. For any $$0$ variances, leave the Favorable $($F$)/$Unfavorable $($U$)$ input blank.$)$