Lewis Company reports the following fixed budget and actual results for May. Prepare a flexible budget performance report showing variances between budgeted and actual results. $($Indicate the effect of the variance by selecting favorable, unfavorable, or no variance.$)$

$\backslash$table$[[$Sales $($units produced and sold$),$Fixed Budget,Actual Results$],[$Sales $($in dollars$),1,320,1,520],[$Variable costs,$$900$ per unit,$$1,395,000$