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A salesman's terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs.1000 plus 2.5% commission on all sales exceeding Rs. 4,000. If his remuneration as per new scheme was Rs. 600 more than that by the previous schema, his sales were worth?

Correct answer: B. Rs. 12,000

  • A. Rs. 14,000
  • B. Rs. 12,000
  • C. Rs. 30,000
  • D. Rs. 40,000

Explanation

For sales S rupees, the old commission is 5% of S = 0.05S rupees. The new remuneration is 1000 + 2.5% of (S - 4000) = 1000 + 0.025S - 100 = 900 + 0.025S rupees; setting it 600 rupees higher gives 900 - 0.025S = 600, so S = 12000 rupees. The likely mistake is applying the 2.5% commission to all sales and choosing 14000 rupees.

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