For an umbrella, the ratio of the marked price to the cost price is 9 : 8. What is the approx. profit/loss percentage if the ratio of the percentage discount offered and the profit or loss percentage were in the ratio 4 : 5?
A. 5.4% loss
B. 6.6% profit
C. 5.8% loss
D. 7.1% profit
E. 7.5% loss
A. 5.4% loss
B. 6.6% profit
C. 5.8% loss
D. 7.1% profit
E. 7.5% loss