hard · GRE Quant

A retailer marks up the wholesale cost of an item by 25% to set its list price, then during a sale discounts the list price by 20%. Let the final sale price be S and the wholesale cost be C. Which of the following statements MUST be true? Indicate ALL such statements. (A) S=C (B) The overall change from C to S is 0%. (C) S equals the list price discounted from a base 25% above C. (D) A single markup of 0% on C would produce S. (E) The final price after a 20% markup then a 25% discount would also equal C. (F) S exceeds C by 5%. (G) S is 5% less than the list price.

1. S=C
2. The overall change from C to S is 0%.
3. S equals the list price discounted from a base 25% above C.
4. A single markup of 0% on C would produce S.
5. The final price after a 20% markup then a 25% discount would also equal C.
6. S exceeds C by 5%.
7. S is 5% less than the list price.

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