Site supervision is budgeted at $4,850 per week. The baseline duration is 18 weeks and an alternate adds 3 weeks. What added supervision cost belongs in the alternate?
Correct Answer
C) $14,550
Only the incremental duration is extended for this alternate cost.
Why This Is the Correct Answer
Only the incremental duration is extended for this alternate cost.
Why the Other Options Are Wrong
Option A: $9,700
$9,700 is below the supported result for general conditions extension; it likely omits allowance, conversion, coverage, or final round-up.
Option B: $18,900
$18,900 is above the supported result for general conditions extension; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Option D: $21,825
$21,825 is above the supported result for general conditions extension; it likely double-counts allowance, uses the wrong unit, or rounds too early.
Memory Technique
Measure to only, adjust for incremental, then let Prices Additive set the finish line.
Reference Hint
Open-book path: tab Principles and Practices of Commercial Construction, 11th Edition, 2024 to Bid alternates; general-conditions duration impact; confirm the required quantity, authority, timing, or record before selecting the answer.
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