A department store receives a shipment of 1,000 shirts, for which it pays Rs. 9,000. The store sells the shirts at a price 80 percent above cost for one month, after which it reduces the price of the shirts to 20 percent above cost. The store sells 75 percent of the shirts during the first month and 50 percent of the remaining shirts afterwards. How much gross income did sales of the shirts generate?
Choose the most appropriate option.
A) 10500 B) 11500 C) 12500 D) 13500 E) 14500
actual price of one shirt=9 rupees   price of one shirt for first month=16.2 rupees   total number of shirts sold that month=750   total income from 1st month=Rs.12150   price of one shirt after 1st month=10.8rupees   total number of shirts sold this time=125   total income after 1st month=1350 rupees   so GROSS INCOME=12150+1350=Rs.13500   ANSWER:13500
<result>D</result>
A department store receives a shipment of 1,000 shirts, for which it pays Rs. 9,000. The store sells the shirts at a price 80 percent above cost for one month, after which it reduces the price of the shirts to 20 percent above cost. The store sells 75 percent of the shirts during the first month and 50 percent of the remaining shirts afterwards. How much gross income did sales of the shirts generate?