A salesman’s terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs.900 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?	Choose the correct answer:  A) 10000  B) 12000  C) 12019  D) 12197  E) 12012
[900 + (X-4000) * (2.5/100)] - X * (5/100)   = 600   X = 10000   10000nswer: 10000
<result>A</result>
A salesman’s terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs.900 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?