no, 70 is not a typo. 70 shows that the output should be 100 - 20 - 30. Like if you see in the Brand "mini" , its first.brand loan value is 100 . so for every first.brand loan value , output should be first value minus the rest of the value within that brand group. similary for toyota , its first loan value should come out to be 44. and for audi , its first loan value should come out to be 40. Hope you understood!
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