Required

Compute variances for the following items and indicate whether each variance is favorable $($F$)$ or unfavorable $($U$)$: Note: Select "None" if there is no effect $($i$.$e$.,$ zero variance$).$

$\backslash$table$[[$Item$,$Budget,Actual,Variance,Effect$],[$Sales price,$$,400,$$$,390,10,$F$],[$Sales revenue,$$,360,000,$$$,390,000,+,],[$Cost of goods sold,$$,192\mathrm{.}500,$$$,180,000,,],[$Material purchases at $5,000$ pounds,$$,137,500,5,140,000,,],[$Materials usage,$5,90,000,$$$,89,000,,],[$Production volume,,units,$900,$units,$\backslash$table$[[50,$units$]],],[$Wages at $4,000$ hours,$$,30,000,$$$,29,350,,],[$Labor usage at $$12$ per hour,$$,48,000,$$$,48,500,,],[$Research and development expense,$$,11,000,$$$,12,500,,],[$Selling and administrative expenses,$$,24,500,$$$,20,000,,]]$