Chapman Incorporated sells a single product, Zud, which has a budgeted selling price of $$44$ per unit and a budgeted variable cost of $$32$ per unit. Budgeted fixed costs for the year amount to $$55,000.$ Actual sales volume for the year $(67,000$ units$)$ fell $13,000$ units short of budgeted sales volume. Actual fixed costs were $$56,000.$ With everything else held constant, what impact did the shortfall in volume have on profitability for the year? $($Indicate whether the effect was favorable or unfavorable in terms of its effect on operating income.$)$