Required

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

$\backslash$table$[[$Item$,$Budget,Actual,Variance,Effect$],[$Sales price,$$,668,$$$,534],[$Sales revenue,$$,589,000,$$$,618,000,,],[$Cost of goods sold,$$,398,500,$$$,369,000,,],[$Material purchases at $5,000$ pounds,$$,284,000,$$$,293,500,,],[$Materials usage,$193,500,$pounds,$187,000,$pounds,pounds,$],[$Production volume,$1,040,$units,$945,$units,units,$],[$Wages at $4,000$ hours,$$,61,800,$$$,59,600,,],[$Labor usage at $$16$ per hour,$$,96,900,$$$,98,800,,],[$Research and development expense,$$,31,000,$$$,38,500,,],[$Selling and administrative expenses,$$,62,500,$$$,49,000,,]]$