A retailer bought a radio for AED 600. Buying expenses amounted to AED 50. Operating expenses incurred were 20% of the cost price. If the retailer made a 25%
net profit based on cost, find:
(a) the retail price,
(b) the gross profit,
(c) the net profit,
(d) the breakeven price,
(e) the maximum markdown that could be offered so that there is no profit or loss,
(1) the net profit or loss if the retail price was AED 670