The following planned figures for a trenching job are available: At a particular time during the construction, the site manager realizes that the actual excavation will be in the range of 110,000 yd3. Based on the new quantity he figures that he will have 30,000 yd^3 left. From the main office, the following job information is available. Calculate rate variance and efficiency variance. Suggest actions to be taken to correct deviations.
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