So five schoolbags =460, so schoolbags =92 yuan, Walkman 360.

The 20% discount is 452*0.8=36 1.6.

B 100 before returning. 30. Buy Walkman 360 and return to 90 yuan. Add two pieces to buy a schoolbag, and the total price is 362.

So you can buy anything. Buying a house is only 40 cents cheaper.