A unit-price line has 420 lf of trench safety at $11.75 per lf plus a $1,250 setup charge. What amount should be carried?
Correct Answer
C) $6,185
Extend unit quantity and add setup.
Why This Is the Correct Answer
Extend unit quantity and add setup.
Why the Other Options Are Wrong
Option A: $4,935
$4,935 is below the supported result for unit-price extension; it likely omits allowance, conversion, coverage, or final round-up.
Option B: $5,685
$5,685 is below the supported result for unit-price extension; it likely omits allowance, conversion, coverage, or final round-up.
Option D: $7,435
$7,435 is above the supported result for unit-price extension; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Civil Package takeoff: count the condition before counting the package.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 11th Edition, 2024 to Estimating unit-price work; setup charges; verify the quantity, approval point, notice rule, or field record before answering.
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