"A retailer buys a cooler for Rs 1200 and   overhead expenses on it are Rs 40. If he sells the colle
Channel: Doubtnut
Date: 2020-07-05

"A retailer buys a cooler for Rs 1200 and
 
  overhead expenses on it are Rs 40. If he sells the coller
 
  for Rs. 1550, determine his profit percent."