2. A refrigerator with a list price of RM2.800 is offered chain discount of 20%, 10% and 5%. Calculate (a) the net price (b) the total discount 3. A machine is advertised for RM3,000 less 30%, 7% and 3%. Find the net price. 4. A new cooker is advertised at RM720 less 20% and 5%. Find (a) the single discount equivalent (b) the net price 5. Find the single discount equivalent of 20%, 10% and 2%