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Part ACSIR NET September 2022whole-order-not-tiered

Whole order not tiered

The wholesale price per unit of an item is C0C_{0} up to first 19 units. The unit price falls by 10% if 20 to 29 units are purchased and by another 10 % if 30 or more units are purchased. If 120 units are bought, the total price paid is approximately

  1. A.99C099 C_{0}
  2. B.97C097 C_{0}✓ Correct
  3. C.91C091 C_{0}
  4. D.81C081 C_{0}

You have the answer. Trap Analysis is why the other three were written.

Not a worked solution repeated four times — the specific reasoning error each wrong option was built to reward, and why this one tests execution slip.

See pricing

50 are analysed free — try those first.

The trap it tests

Execution slip

The idea was right. The computation was not.

Drill statements like this

Last revised . Found a mistake? Tell us — corrections are the fastest thing we act on.

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