The points of Wal-Mart Credit Card can be used for in-store consumption at the conversion ratio of:

0-3000 points (inclusive), levied at the rate of 0.00%;

300 1-6000 points (inclusive), levied at the rate of 0.25%;

600 1- 10000 points (inclusive) are exchanged at the rate of 0.5%;

The part with a score of 1000 1 shall be converted according to the proportion of 1%.

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3000 points *0.00%+3000 points *0.25%+4000 points *0.5%+40000* 1%=427.50 yuan.

You need to spend 427.5 yuan in Wal-Mart to deduct 50,000 points.