Consider the following data collected for Blakes Construction Trailers: Required Compute the rate, efficiency, and flexible-budget variances for direct materials and direct manufacturing labour. Compute the rate, efficiency, and flexible-budget variances for direct materials. Label each variance as favourable (F) or unfavourable (U). Compute the rate, efficiency, and flexible-budget variances for direct manufacturing labour. Label each variance as favourable (F) or unfavourable (U). onsider the following data collected for Blakes Construction Trailers: Required Compute the rate, efficiency, and flexible-budget variances for direct materials and direct manufacturing labour. Compute the rate, efficiency, and flexible-budget variances for direct manufacturing labour. Label each variance as favourable (F) or unfavourable (U)