A crew installs 18 hollow-metal frames per day. The project has 72 frames. At $1,260 per crew day, what labor amount should be carried?
Correct Answer
A) $5,040
Divide quantity by crew production and multiply by crew-day cost.
Why This Is the Correct Answer
Divide quantity by crew production and multiply by crew-day cost.
Why the Other Options Are Wrong
Option B: $3,780
$3,780 is below the supported result for door installation labor; it likely omits allowance, conversion, coverage, or final round-up.
Option C: $4,320
$4,320 is below the supported result for door installation labor; it likely omits allowance, conversion, coverage, or final round-up.
Option D: $6,300
$6,300 is above the supported result for door installation labor; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to divide, adjust for crew, then let Estimator Prices set the finish line.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 11th Edition, 2024 to Estimating labor productivity; crew production; verify the quantity, approval point, notice rule, or field record before answering.
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