What is the rate of discount if a product costing Tk 500 is sold for Tk. 470?
A
0.05
B
0.06
C
0.04
D
0.03
Correct Answer: 0.06
product costing price = 500 tk sold at = 470 tk :.rate of discount = ( 500 - 470)/500 = 30/500 = .06tk (ans)