c(1+r)(1-0.15) = c
what r should be depends on how much profit he expects to make.
a 17.6% markup will just break even.
a 20% markup will provide a 2% profit.
A tradesman allows a discount of 15% for cash payment.how much % above cp must he mark his goods to make a profit?
(ans 20%) please help me
1 answer